H, W = map(int, input().split())
M = 105
A = []
for i in range(H):
    A.append(list(input()))

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 == j == 0:
            continue
        if A[i][j] == "#":
            continue
        for m in range(M - 1):
            if i:
                if A[i][j] == "o" and m:
                    dp[i][j][m] += dp[i - 1][j][m - 1]
                if A[i][j] == "x":
                    dp[i][j][m] += dp[i - 1][j][m + 1]
            if j:
                if A[i][j] == "o" and m:
                    dp[i][j][m] += dp[i][j - 1][m - 1]
                if A[i][j] == "x":
                    dp[i][j][m] += dp[i][j - 1][m + 1]
                    
print(sum(dp[-1][-1]))