H,W=map(int,input().split())
S=[input() for i in range(H)]
ANS=0
for i in range(W):
  x=0
  for j in range(H):
    if S[j][i]=='o':
      x+=pow(2,j,3)
  ANS^=(x%3)
if ANS:
  print('First')
else:
  print('Second')