import sys
from itertools import cycle
from math import lcm

I, _, *P = [l for l in sys.stdin.read().splitlines()]
# 0000000000111111111
# 0123456789012345678
# BCN = (HFN, KFC)
P = {l[0:3]:(l[7:10],l[12:15]) for l in P}

def countsteps(g):
    C = g
    N = 0
    for i in cycle(I):
        if C[2] == 'Z':
            break
        C = P[C][i == 'R']
        N += 1
    return N

print("part 1:", countsteps("AAA"))
print("part 2:", lcm(*(countsteps(p) for p in P.keys() if p[2] == 'A')))