h, w = map(int, input().split())
s = [input() for _ in range(h)]
g = 0
for j in range(w):
    now = 0
    for i in range(h)[::-1]:
        now = (now * 2 + (s[i][j] == 'o')) % 3
    g ^= now
print('First' if g else 'Second')