n, m = map(int, input().split())
s = [input() for _ in range(n)]
g = 0
for i in range(m):
    t = 0
    for j in range(n):
        if s[j][i] == 'o':
            t += 1 << j
    g ^= (t % 3)
if g == 0:
    print('Second')
else:
    print('First')