H,W = map(int, input().split())
A = [input() for _ in range(H)]

D = [[{} for _ in range(W)] for _ in range(H)]
D[0][0][1] = 1

for n in range(H+W-2):
    i = 0
    j = n-i
    while j >= 0:
        if (0<=i<H) and (0<=j<W):
            if (0<=i+1<H) and A[i+1][j] != "#":
                if A[i+1][j] == "o":
                    for key in D[i][j]:
                        if key+1 in D[i+1][j]:
                            D[i+1][j][key+1] += D[i][j][key]
                        else:
                            D[i+1][j][key+1] = D[i][j][key]
                else:
                    for key in D[i][j]:
                        if key-1 < 0:
                            continue
                        if key-1 in D[i+1][j]:
                            D[i+1][j][key-1] += D[i][j][key]
                        else:
                            D[i+1][j][key-1] = D[i][j][key]
            
            if (0<=j+1<W) and A[i][j+1] != "#":
                if A[i][j+1] == "o":
                    for key in D[i][j]:
                        if key+1 in D[i][j+1]:
                            D[i][j+1][key+1] += D[i][j][key]
                        else:
                            D[i][j+1][key+1] = D[i][j][key]
                else:
                    for key in D[i][j]:
                        if key-1 < 0:
                            continue
                        if key-1 in D[i][j+1]:
                            D[i][j+1][key-1] += D[i][j][key]
                        else:
                            D[i][j+1][key-1] = D[i][j][key]
        i += 1
        j -= 1

print(sum(D[-1][-1].values()))