h, w = map(int, input().split())
a = [input() for _ in range(h)]
m = 25
dp = [[[0] * m for _ in range(w)] for _ in range(h)]
dp[0][0][1] = 1
for i in range(h):
  for j in range(w):
    if i:
      if a[i][j] == "#":
        continue
      elif a[i][j] == "o":
        for k in range(m-1):
          dp[i][j][k+1] += dp[i-1][j][k]
      else:
        for k in range(1, m):
          dp[i][j][k-1] += dp[i-1][j][k]
    if j:
      if a[i][j] == "#":
        continue
      elif a[i][j] == "o":
        for k in range(m-1):
          dp[i][j][k+1] += dp[i][j-1][k]
      else:
        for k in range(1, m):
          dp[i][j][k-1] += dp[i][j-1][k]
print(sum(dp[-1][-1]))