574 B | 574 chars
import sys
from math import sqrt, pi, sin, factorial
inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = " " : [*map(int,inp().split(x))]
mfi = lambda x = " " : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
w, h = mii()
A = [input() for _ in range(h)]
B = [input() for _ in range(h)]
D = input()
for i in range(h):
for j in range(w):
p(D[int(A[i][j]) * 2 + int(B[i][j])],end="")
print()
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()