diff --git a/day03/input.txt b/day03/input.txt
new file mode 100644
index 0000000..5f389f4
--- /dev/null
+++ b/day03/input.txt
@@ -0,0 +1,300 @@
+gfWpjRRQffQGCHHJsGqjsj
+SclzJZZvmmnPbJtVSqqNBqVCBdSCsd
+tlbvZJDZtmtPcJmlPnhMFQWWpMRFTfLDRRTWRp
+HjMPgSWjVrjgbHRRSSMRgjRdpdbGdlcdCvQfcCdlwQJfdf
+LNDnhtNtLNFFZDtFnhzvdldDflvvDCdlJfldpJ
+ZFLFZZmFtFtTNTSPRrVPWWMpRP
+qLBSBLRwmgzqCbzCffDlrfCV
+TFFFHNWFMFFMpHpGHMTHGNhrldWZCsdZsslZlZfrflDVss
+PTMcPGntTThHhTGctnMvSwjjvmmqLBmnjqqgCR
+nClJtMwwntqVVPJcgZqq
+mjpsDcrcSSFFPZqFBWWgVP
+vQcjsvhrvvrmhbmNHMNnlHbNMtCtNM
+bgvvhnTQtjrrrhsDDf
+pLSMltLzLLSjFrSSjrSJHD
+zNWRLBdZPllPQtCvttgCqb
+DRlDrrFTNDNlgzsGTBfcnqhhcnJfcrCSqc
+MMmmdWtdLmvtldHjMmQfPBqSJWnfCCCqcWSSPJ
+vjHMjLmjpLtHptQLmHvwTRgNVVpTzZFZgZRlsVTN
+rzpMpDCGFCFFjRFsRPFRNFPv
+fWclbHCHtSmfvjnmfsvZ
+wTcTlSwwtQtWclBQBLGMLMCLVzVLwJGqLd
+MQSjLNjPPLLSBPjfQhSPHjDVCjDtVVpDHwbwVpbD
+RcmWzsRrzZrmTszWRqWlmRJscbtHwCbndCtcDVddDpdnVnbt
+JTsrGGTqmwTlWmTzJzWmhhPLLGgPFgBffSSPhFFM
+qMMRNZMDDNWLPqfzCgDcGncVDCgG
+wwBFhwhhBgmcVzhghG
+tbJbjjtJvwtdtwjpFtlbvtdTLNSMqNqMMgqNHPlZRTNggL
+qmjMHsZmZSbjbZMjSLFFFFwgsgvFswpwww
+hRJBhmnhhvFFwhcv
+llfWDWzrzBNTRfNBrWzzTmZbGTMjPqMmZPjVbSZGSP
+CRRPLwwcclcGVppQ
+SHFjDjjHDTfSDNTTHfSHjQVGrpmllQQWltVVVZGp
+HFlqzDTfqlzwbgPJLwCP
+WRCNLphpLppSCWVHNfLRzVnQMnBnMddPMQDFQgrhPQFM
+jTjJqvqjvPVJFJFBJF
+qTsZbvGqqZlstsmZVljtwqwSHHNWczHSSRcWNSRHzzNfbW
+glgzDzHjSrVHcVgbrjmNsscNGmNWssGNNtst
+hHPQLHJpwdLpdHfQQtnZmNMwnZGZWwsFZM
+QpdhPJRTJfPphJfhCBlVqVvgvVDBbvVqDbHD
+VtHzjZpjVtHrprgGmjHsGHNdSJFQRcLJqCdQcSqJNpcq
+bBWfTPwhbfDlMnhffRwQJQNdqJcLFQLSdR
+bhBhvfMWTnlDnTBfPSmvmjsjmmGtzHtsHm
+pcRPRPWrSDcJGZSStmwZZS
+VnLfCfTlfVzfnMMBCqVNZJdtjNtJjhJdGNNbwT
+BLvqCCMVsnRQsPQgDcZH
+cQbqqQhDGhlQfQlhQrqGsTNgLgCpRgLTPPPLNbpg
+wtHVddVFwSHznZwwznCpRBdjppNBNTTdCjRR
+ZtWFwWtSmvVnwZDrCMGfQlDDJQmD
+PzPZGCZzrZrlhdjdCqfCsqQdRD
+cbvZLVVFvbbNSNFHSDnsDQdnfqNQDRngsR
+FJHSLSFSScJJbWHFmFVFSZmrrzBmhtBwmzBMPMPzPh
+nlpFcLBgcVcLbssGVBGGrlpGPhJJJJJqPBZPDNMQMJJhJQZZ
+SSTjHzfHwtZSPVQVQMRQ
+TzVHwWfTtzwdVzsbFnGgsbdcGrLc
+FppVBRVZDdLmrDGmmfrQ
+NtNMPNshJCzznLGJSrqRrRrr
+tRssthhPlCWhPzsWtzhzCbVVjwTpVwdZZTpwjbdBbwBc
+TTWblHWScvPCCHTWFzSrqqsNNSmdmqrrpz
+RLRwjjnjZNprzmmZcq
+QQgtQnccQDGjgLDRRcLthQhFBvCbMtMHTWlBFllBbFCMTW
+WnBVNvDnVsNvZWdrWDLVDMbsHpTjpHCSSClsbSCCMH
+GPFtmztzgPhRFtJTdbTwjppSCjpgSl
+hJcfPtQhdtWNVZqNnqNQ
+GLcqZPPsnqQcFsmBBrqRvrddNqrC
+MtHthJwLllwvjRvvtrvBRS
+VHMfDLbpfznszZQG
+WBSdPlQPRfBtGQPfBGPBJgzgjwsJzsszJwCrdwCT
+ZpppVpMVpnVHMVVbZRJrCgwRzTJrwNJw
+MvhmnpLqLmhVmBlftRQBFSlR
+hhQlSJqhtCSnqZJnqShSlNDwRzpvdwRlMBMMdcjRjMpMRc
+frrGmLmWbfFrsmFHmBzBvBcwdJbvpjzbMM
+mmgFrVGLWJLFGsgfhSVtVPqntqnnSStN
+SFJTJTSqswwFQbwf
+cDtcWPclrtPwVsfssQmN
+HDtwWCgWdggdzSGJMSzGMq
+JpqJtWRJMhCMJpMQCWtFrjgHdgdlgllwNjlQjldH
+fBzPZcZvnBmDnZvZBZDmPvglVVVdgHHSwrNRgVgwNPRH
+GbZnZccfvcsZmccsmnnZTRbCCMWFTWJqFCCMJFRT
+vrrFqrFTBTmLmNrLMqMTHddJbHpWnhdWdWbHhJGM
+wBzfwzcQSzWSSshpdWGp
+gwjPPPDQtzQlzQDPqTgLBRmRqZBvqFNR
+bWVptFFsbPcZsGLhsZGmLB
+qnWrnrHdMCDCNqfWmvRRZSSRLdRGZGRG
+nNqqNDfMrMWHDQNHzWfHNDnwzblpzFlbwtFbVVlwVcPJpP
+BHJhlHdJQggvddglJBBhglhQzZHPZpFFPDMzFDDRDFZZDFZD
+rSTfqnCffMfCVfCLNqbzbjWNDbbWDPFpPFbP
+nfnnrSfCTVSwrqSLCGfTGlgQhlvsGMJQJBhhssJhGc
+tBjjDjjqfDjLfJlrLgglvmrlmrcc
+TwNNTVhwwpgvGSNNSssS
+TbwhnvvChhbVRTPPRJBJQQfJttMQQJCQfW
+mWSvSQVgmWQsQvspQJlrlLnJLLpCClhhlp
+bFHRjZdNjjBZzFzhtnCllCcJLrCBll
+HFFNHbdZZLZjfPFjHVQmWDDVsvsmTqVqDf
+JJPllQQClqgBCgdHwHbpjVTwHd
+tmGZtjGjHZpVbfMT
+ShGjNGWmDSNcNRtGmshDRzzCvzQJJRBLrvlrBPJv
+cTpqsTWqVVpsNLfvCDFlMFDVFL
+JnndJPddQgzHlvMJFDhLCG
+BjtntgdRnQgzjdBRQBlpNWrTTlNTSwNpWS
+qHmqLVLjmVqsDBLtmjmbtPwCTwwPzGWRgGwGwMwW
+ZhcCNCSprRTWTwSnWW
+hflhZvvQhppZfcNpvrhpQHjVjLmbVmmVHVCFDvqVFb
+nnNrwDnZrspwDNnZsNSDsNbCmpjvMTPQjLMmPmmQPGBTQP
+FdVtRdRfctBQPmTtTLQB
+qhzWVWJqVHwbhlLSsS
+htWmhDhFztnztDhtBmBtghPRSrpfjVwPdfPwpwnRSVrr
+cbCHvgJGcTqbqcbqqqcqsMsRVrSCwffdRPPpVpwCRSwfjj
+GlgGQqTqbgQzttmBNNFz
+NWQNQgdTgjQNddTZfrCQWRDnnnbqnLqnRcjJlqqvDj
+FtSSmSmJhpllcclDvpln
+JBVVSsSFBVBttShFGSPQfCGNdrMfZZTQTZNNdC
+HgHthMhphcbfbMMfHhsGGDCRRVlcVSScsCRz
+nWvPFqLqPNdjnNLnjdJnPdWjGlssDPSsllVCRzlTCTGlSDzS
+RvddJRJQHwQwpZZb
+gdZwgpjZZQtHTdrWrwdpWRnlhNBRlLbFthNhflhBnL
+CVzDCPGMVqVmGsGGbJCmCDvMcRcqnBFFFnRBBNRBBNqhnFfF
+DsmSGsGPzvMGJvdbgTSTbjbSSdgH
+jBGmbNBQGdBNNDJNQRLLVDsHtDRzHHZZcH
+wCWPFWPCrPhPrplvprhwpCHHtszttqZslRVHLtzVlJZL
+vprMMvMnJCwnnPShNGSTfGSfNmmgdNff
+bPtLbvVWWztbLSVVnbszpzQsrcDDBdpRcDrs
+llZmgCZqgCFgmdRdJcscBdJsmQ
+FZlgfqCFfgZHlqCMCglwCFGWntLLSMRSPGPVttWRtVGL
+vtnDsDtrnrSvrMVmbrrJgPCmBm
+FpQHzFclLVzWHhwHLQLlHLzPmMBQCJTdTmCTmBTJTTmgQg
+pllcVWqlffZqZtZD
+TSSZWpsQmZWcTZSvsTTTppNPzrBPrNBrzQNVFrBBNPqP
+CgjmCbtGgftMmLtLmffzBzJJJNVVMNzNBqJrFN
+gjgjLgtLwgbGjHdhhGdvmlnllnpWnplZvcvwTl
+htLrRFRtbbhlGSLRtbJBJsjBmgMMgJgtmBzz
+pZQWddQQfpZZffcDQZwddQwDMqDDsPgGJJzzjqzgJMBJgmms
+QdcQTdwpGNwfrCRlRVlNLSbb
+wrdvpVBVpMGPPjWjGZJJZT
+tChCSlNfCCHtvHHWPHPZ
+RbRRNvmcqcblfMwwdVBQQqqdpL
+qcctqRcqmcHWzHBdDMZhfwthBnwt
+JFsSNMSgNSNJJMGJBBdjhFDfhwhBrwnZ
+TbgbsSgJMTJllblLCSPlsTCVQmRVVWpQzzqpqzVzHLQzcc
+CVcWbjjSSCSSnpjWpCpprhHZlHtHGzHrZrHGclrl
+gqZqdddLgmgNqvTGGHvvmrrGHT
+FFDgZfZNLMgNfdDqDRnsnjBpbSbnMBBWpQpB
+qwpQFwRnqFFfSBSfFt
+LJJLGLWWtZlbgWHgGshhSdSVzmhHmfVzzC
+lrbrbrNNJgDMLLbblGctvvvDqPcqctTTTcqP
+vnblvbfHvlcHMlHlZbSPLTPLwCMBRRPRRFFR
+tszzBqtzDsWVPRSmzLVmVL
+tsNsDDNgGsqBrgBpgdHQbfhflcHdpZvdbh
+cCpLtpGGLsgsppcpmGGHMtjfHRVhvvVVFRfhjV
+NWnnnNNndQnQZdCdzzRVMHzvhhHWWWjj
+CPJJrnSZpGDJLGTL
+cnJzpcnmnQVFbzTlvTHBlb
+tWCDPjfsDGfZhddhjjdTvFTgFgvbnFHvdHqT
+hjfCjwDDGjPthsfhsnGNrJcQcRmJMLVJrJNMLw
+CPPRrSlRccPcwTHwfdwTHdfl
+mLQLLjhQhhQLZvpzssHDhdTswzzTJD
+gmjbBvQLWmgbQZBCSRnnnSMVCBHnBS
+sWrBJbsVqschzhQzHh
+gtFmztnSlSfdlmnZSdSwcwGRTjcTcwwTcHccRg
+FzFDzMZCdDZtCSrJVBMqWVrqNBqN
+TvWlhhfhZJVgtSSl
+ddBdGGdFmmBbdzqqPDDGGmdDZSgttHtZppSgzZHSgMhtMgtz
+PGqdrbbbdPnrcjjhTRWLLc
+trrmJWcrVwVbcPScdcBdGPHH
+JTQnfjlJTpQFfMLlNJHHGDPdGsSdDjHGDPPH
+ffFfnCTTCfTlplTMvNVzqWvwVzrrhwmWhJbW
+hVtDtgcghzJpmmhlwp
+srsnrqqsPqsBPvnqRBRMPbnwlplpmCStJwmzJPtJzJfwSw
+bbrqjBbvGsjGGBWqMVFFVDNVNjZjgtgFgZ
+mnmhBDHhwWCHsTgRsH
+dcSlFvccMFMMFFggNsTzzvvzWnVW
+llQdllZScFplJPpdcZSqBqjhmtnrwrDGnQGhrq
+ZffVNgfTdmPVltsnnGwgQDnB
+rMCFLMHpzCMFzHpzbrcHFLzBwsDsDDnlDBJrDDBBSJSnBn
+MLMjMzqpCzvwqTmwZdvq
+DDNlWPRqgPRPsRFjJQZbchJZbgQJ
+zzrLLznpLbHnjcBHvVvHvJcZ
+ndmrTzbMMTfzrTfnTLrzdpmsPPPqlqGDNNsPCRDRqRsD
+zzdqTNfTfdfhgQhgqMFSjRDtDRWHqtWlwtqDRS
+ssBCrcmpVGZvVRDdSDRwtmWdDb
+rvGPCZLCVCPVBZFdnfThgNgLJNhf
+bslcrssQwDPbQrrcsbsnQrjMLthPMMRhLRhLRgzmgPhRgM
+DffvDfHGfNFdpfTdMtghLBThzVmBhBtM
+SNvJNJdflDDbcDWJ
+HFlHNpWsTlGWbFsGFTGHFLLNzPPhLVPMzVzMNPhhzP
+jSvZtmrqqpcrCpPVzw
+dddQvqDgDmjdSQQdqZjStpffWGgBRWTGfGsRlWBlHF
+THnTbNrdBnLTHHnTnBrWRTndsccZsLZcDqmLDPcDlQDsmmsZ
+ptwzzhpvGSVdqQlmszqmqPqc
+wGVjSddCBggCHFWN
+LFFbdbhhhvwvfTNdRhhRRvMbHDGjcfcGfDjtDHHcHqGjDqqj
+WlQnVpWSSWWsPsgDqDzHDLHjJcttGP
+rrWsZrgVnWrWSlmSlmSBFFbvTThhBFvvZLBhRw
+BgBdcjThvjFcTggrqvVfzlnnPlrqLt
+JpwJGPsQwpwSssHpPLlzlnNlzLLNNLVtsN
+JPMmWGmWPmHbHpJbWGJmDmwbBTRZMBBdZCRTRjFjhCZCCBTT
+BjbcLFRfBRhnbGjCVVvPllpcPtcDmdlPpvPP
+WrMQqCNgsqWWsTNCMZMWWsWPvJDJDddvlpDtZDpDDDDwvP
+qNMzzSzSQsGLbFCSCnVR
+tTRpHJQpQBZcddhhMhvhJN
+zswljflgMFbwPqmNmSdvShLNfLhm
+qFbsMCVgsqMwRWHCWDDBDWpt
+VSTCCWsJvGpHHCNC
+GrqzZrrZjDljcDDlfjMqgRPfPvQPpBHNvHvBpvNQ
+rljncDcznjMqhlhZDnltrzhTsGWtbVLFTTWGsbdWJdFTmL
+mJPDSJJPZPJNrprSNrDmpZGrhFFhBqjGbGGVbFjhhfqBjBRV
+cgnTQHdMQdTHdhqfggBhVqVfVS
+nQdLLddssSJrmsNvZrPz
+jfjffQzZQQMzZZfZZQFgjDWBCRlCBdTTBGGGRpBCgdhdBG
+LrstWtNsbHLsprRBdlGpCwlh
+HLnntbnscqLvvPNNfMWSSmDMDPjzjDzS
+vhcGwWVvglltcfBn
+BBSLrzSJLzJNJrLfPfPRsmDRmflD
+jMjFZJNMqzrzZzFNFjNQqJzbCpBBvWdpvTCWhpVwdvHVCGbG
+HlrnFmRmtRBQPVBTQHHQ
+psSLJsLpTTdPdLTv
+fCGgTgfSSCtRtFFzql
+pfTpStppcDlWfbpDdzQRsQGJhfffQgJHzN
+ZFZFZmBFwVwBVmLmLsRLRhHNzRLRNNzJ
+FnnjwVPmnqqqjBjrTdblldCTpcPJtbTD
+bdZHdWlrjslMMwGG
+rDDTRBTqSqmJLBJRBTSJpmMsMMjhwvfMhjjfVGsLshhC
+BqQFRPFRQBJgzrcZNHFdZt
+wrDdLlDdPWZPTTrwlZpSsPsHVHsSCHnbzMHM
+JtNFttNCjFvpppnMpJgSVS
+NFFqFcCQCvfrZmGdZdmqrW
+GMNNfJnNddJFJWsv
+HSDwCmmghLmwmmHDpsvdFpMWpppptSbp
+zCzBCgzhwmhzLrPnVrMqZBNfGf
+DrHGtbltbCjjjffPrgsmzmcqsgDczdsmgJ
+VZLwQLZLLVwLBQZnLVphhLQQqsTNmzJdcNTzzmJNqlNBsszz
+wZLhVMplpQVRRlpVGPfjCjMGCrbHGWWb
+BHpFrHHbBNTWWTWNhCPwPLNPjCdjLV
+zJRRzJvZlcZsSMJdzSDjDtfDCtDtjDjjjj
+dcJcszQJJGRJzRllMpGHpFTWmrTmBTbWWB
+qnWWqhDhnjmjCMBlNRrfVfRNCB
+vvBLBtGHJTHBddrNVJrVSVdr
+BZLTHbgvHvTFBgTFFvhmWmmZDPmmZDsnqncs
+WBvmjDbSzTMmHHdpNHNF
+ttlflZRfGtfWVRltGtflCdHnJrNJHNHnJddNMNCnpF
+VVwssWQQfRGZcszBQzDbjSBvSBDP
+lSlQqQVqWWVWfqQWVJSTscdmPPwwTTmjjfpjPp
+FCbzHbvHvtgrtFCvbvbbwdTwmsrwnTTpmdswmwcc
+DtZbHdghztlLMQlWWhVQ
+pqzzFSmdFqbQvlpdDGGrGBWPPBVNQnVttZ
+cgcjwfBMhHCjjLMCrtcnPcsnsPGVnrVs
+JgCChjjjBHhRRLLjjhplzvzpSFJvzzlDbSqm
+mZzVQZMhmrffwfQhWhzmrmpBtRcdbnbcdcMpBbDbncdD
+jsLTSlTWRBSDpnDn
+GLTsGWGFsfmJGZVJZm
+BGWshBGnsFWSLWBLlSSLWRJHnrVPrPcNHCNHctnPPJ
+QmvQCqqMTZqvgmvTjpZCMgMtrVctPptHtrNVrptbJJbrRP
+CzjCZfCwDzShDWdF
+HmQlQHmJnpmptmzt
+MTqMjMPvTvVvhpdztZnSwzwZqS
+CcbLLPTMtCCsjHNHQFLRRFlRNN
+GDFwLLLLSrbdPlFBMFsslFHmZH
+TnJCgthHpVTfZMQZQmzWnZ
+hjvtjtghtqJvVjhTgNhJTvdvdDDRbbccrwPdcGwrHS
+MQQMBPzMGQBPBbDQPMhpnRwsGnRhNrFFpRnF
+vmgHcmCTTlvvvZvTmqcTfmCRdddFnwdRdnVwFpVfpRnwNw
+gvmqJTcHclCQJNzjMLWbLj
+DbqqDDbQFqfNtZSLSq
+RrdjPdmrpWBdmWRdccfLtNttSDMZBfftLMLf
+dCcgmgRrWcgcppjCVVVVFHFnDnbJnb
+fZMFfrtVdZSDVwTgjRMLhwTCLj
+cNzPBNpclllzHbmTNRhqCRTgjC
+nhhWJzhGPlQcGvsvfJtSfZfrtt
+PSzrBWQBBGzBlnSnWtDrqHfNfwVwHcLNjHjwcDNmFH
+hbRhtRCRpRvsRgVVVcNHNNNCwLwc
+ZtRTRvttWWzBPlGZ
+tcLnctNsJrWWNDTN
+pwPPSjHSHHfzvmSvvvFVVGqGVqGmFqrDWgDr
+pPSvfPQMzCQCSbhllLnQDhbtQZ
+DmLffDhpVhjjVwvbwNVFbbNSNH
+JRPBgMPRHBrMHMHqrBMqWJBSQQNbCvndNrdvCNCFwFrQnv
+WcqJcPGMGtWRRBtgZjjspGHTLHGHTppm
+ptJtWJpqRwDZZDVWpbDWqlvvflfMjlfCMjdCCdtslv
+rLwTBGBzBBQTzmwCCjvdvlLllddsMl
+NBwTmrGNgrTrcgPpWgWPDSVVPW
+CdglMnrlSSqDPpcsZb
+ccwmVJtvVvVtNhBpBFPDVpqbbD
+TRGQjJjGTmtrTCgHWLfrcn
+JNNhLwWwWQHNPDmmjHpc
+zMqZCvVCSMVqMSTVvZVGsBnlslpmsmzlPmsHPsPB
+qTVqrgdCCbhfHJQFtg
+wNwCBBCZsfQWfmLCGSmmFRGSSF
+zjnPHPVqMhhZLTcbpbSncp
+lVlhlgzlPZlwtgBddJdfvf
+JWRWRRLWJLnjtjnLzGzznflBvfPvPMqMDqdbzblCzC
+TTScTVbHmTsVFrmcsgcHFlPMMvlvrDPdlrDDqdldvl
+bVpcpchgsFZHbhSmSTsHFFjwtZjnjLttntNjLjNLWtjw
+rffjPJzWzrgPpGWHVNqTtmqFTVRH
+cswhvlLBvSLsCtbFccmqVFNTbb
+wwZSCZSnCLsSDGgDmpGnfmmr
+rTfJTNtjfNljlrWSlzRtNlTqsddwGnsnHHwwhssTsnqw
+VpbpZZbvPLbZbbBhwqMHhsGMnJdVwV
+mgQZJDLBJbbbcbgZClCSfWlrCjRjlDCR
+fSpwcVfzsztcSSWNNMbnMRqTvtTv
+mJFmGDDDhGhBJHCQddllqTvCllqTRRWNnMbT
+FdFDGdDDDhhHdZDjhDmpwSPVZszpwZsVgsPRZs
diff --git a/day03/part1.min.py b/day03/part1.min.py
new file mode 100644
index 0000000..0b93b47
--- /dev/null
+++ b/day03/part1.min.py
@@ -0,0 +1,4 @@
+#!/usr/bin/env python3
+
+print(sum(map(lambda o:o-96if o>96else o-38,(ord(set(l[:len(l)//2]).intersection(set(l[len(l)//2:])).pop())for l in open("input.txt")))))
+
diff --git a/day03/part1.py b/day03/part1.py
new file mode 100644
index 0000000..3817cf5
--- /dev/null
+++ b/day03/part1.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+
+lines = (x.strip() for x in open("input.txt"))
+s = 0
+
+for line in lines:
+    a = set(line[:len(line)//2])
+    b = set(line[len(line)//2:])
+    i = a.intersection(b)
+    o = ord(i.pop())
+    s += o-0x60 if o > 0x60 else o-38
+
+print(s)
diff --git a/day03/part2.py b/day03/part2.py
new file mode 100644
index 0000000..f3b40a0
--- /dev/null
+++ b/day03/part2.py
@@ -0,0 +1,12 @@
+#!/usr/bin/env python3
+from itertools import chain, islice
+
+lines = (x.strip() for x in open("input.txt"))
+s = 0
+
+for line1, line2, line3 in (chain([first], islice(lines, 2)) for first in lines):
+    i = set(line1).intersection(line2).intersection(line3)
+    o = ord(i.pop())
+    s += o - 0x60 if o > 0x60 else o - 38
+
+print(s)