#include using namespace std; typedef long long ll; typedef long double ld; typedef pair PP; // #define MOD 1000000007 #define MOD 998244353 #define INF 2305843009213693951 //#define INF 810114514 #define PI 3.141592653589 #define setdouble setprecision #define REP(i,n) for(ll i=0;i<(n);++i) #define OREP(i,n) for(ll i=1;i<=(n);++i) #define RREP(i,n) for(ll i=(n)-1;i>=0;--i) #define ORREP(i,n) for(ll i=(n);i>=1;--i) #define rep(i,a,b) for(ll i=(a);i<=(b);++i) #define ALL(v) (v).begin(), (v).end() #define GOODBYE do { cout << "-1" << endl; return 0; } while (false) #define MM <<" "<< #define Endl endl #define debug true #define debug2 false int main(void){ //cin.tie(nullptr); //ios::sync_with_stdio(false); ll H,W; cin >> H >> W; vector A(H); REP(i,H){ cin >> A[i]; } ll dp[12][12][24] = {}; dp[0][0][1] = 1; REP(i,H){ REP(j,W){ REP(k,22){ if(i!=H-1 && A[i+1][j]!='#'){ if(A[i+1][j]=='o'){ dp[i+1][j][k+1] += dp[i][j][k]; }else{ if(k!=0)dp[i+1][j][k-1] += dp[i][j][k]; } } if(j!=W-1 && A[i][j+1]!='#'){ if(A[i][j+1]=='o'){ dp[i][j+1][k+1] += dp[i][j][k]; }else{ if(k!=0)dp[i][j+1][k-1] += dp[i][j][k]; } } } } } // REP(k,10){ // REP(i,H){ // REP(j,W){ // cout << dp[i][j][k] << " "; // }cout << endl; // }cout << endl; // }cout << endl; ll Ans = 0; REP(k,22){ Ans += dp[H-1][W-1][k]; } cout << Ans << endl; return 0; }