#!/usr/bin/env python3

c_pub, d_pub = [int(x.strip()) for x in open("input.txt")]

val = 1
less_loop, less_pub = None, None
for loop in range(1, 20201227):
    val = (val*7) % 20201227
    if val == c_pub:
        less_loop, less_pub = loop, d_pub
        break
    elif val == d_pub:
        less_loop, less_pub = loop, c_pub
        break

val = 1
for _ in range(less_loop):
    val = (val*less_pub) % 20201227
print(val)