#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
using namespace std;
const int N = 1e4 + 5;
int n, m, a[65][65];
int z, o, t;
int main() {
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> n >> m;
    for(int i = 0;i < n;i++) {
        for(int j = 0;j < m;j++) {
            cin >> a[i][j];
            z += (a[i][j] == 0);
            o += (a[i][j] == 1);
            t += (a[i][j] == 2);
        }
    }
    if(z) {
        if(z >= 2)
            cout << 0;
        else if(o) {
            if(n > 1 && m > 1)
                cout << 1;
            else {
                if(n == 1) {
                    if(a[0][0] == 1 || a[0][m - 1] == 1)
                        cout << 1;
                    else
                        cout << 2;
                } else {
                    if(a[0][0] == 1 || a[n - 1][0] == 1)
                        cout << 1;
                    else
                        cout << 2;
                }
            }
        } else
            cout << 2;
    } else if(o == n * m) {
        cout << 0;
    } else {
        if(t % 2 == 0)
            cout << 0;
        else
            cout << (1ll << (t / 2));
    }
    return 0;
}