#!/usr/bin/env python3
from collections import Counter

counter = Counter(map(int, [x for x in open("input.txt")][0].split(',')))
counter = [counter.get(idx, 0) for idx in range(0, 9)]

for day in range(256):
    counter = counter[1:] + counter[:1]
    counter[6] += counter[-1]

print(sum(counter))