func_code_string: #include <bits/stdc++.h>   using namespace std;   const int p[] = {1, 2, 2, 1};   const int q[] = {1, 1, 2, 2};   const int N = 500005;   int n, m;   int a[N], b[N];   long long ans;   void check(int& a, int b) {     if (!a)       a = b;     else if (a != b)       ans = 0;   }   int F(int a, int b) { return (b & 1) ? a : 3 - a; }   int main() {     scanf( %d%d n , &n, &m);     ans = 1;     char ch;     int k;     for (int i = 1; i <= n; ++i) {       for (int j = 1; j <= m; ++j) {         scanf( %c , &ch);         if (ch ==  . ) continue;         k = ch -  1 ;         check(a[j], F(p[k], i));         check(b[i], F(q[k], j));       }       scanf(  n );     }     for (int i = 1; i <= n; ++i)       for (int j = 1; j <= m; ++j)         (ans *= ((i == 1 && !a[j]) + 1) * ((j == 1 && !b[i]) + 1)) %= 1000003;     printf( %I64d n , ans);     return 0;   }   