func_code_string: #include <bits/stdc++.h>   using namespace std;   const int oo = 0x3f3f3f3f;   const double eps = 1e-9;   const int MOD = 1000003;   int R, C;   char *grid[600000];   int main() {     scanf( %d%d , &R, &C);     for (int i = (0); i < (R); i++) {       grid[i] = new char[C + 5];       scanf( %s , grid[i]);     }     int res = 1;     for (int i = (0); i < (R); i++) {       int b1 = 1, b2 = 1;       for (int j = (0); j < (C); j++) {         if (grid[i][j] ==  1  || grid[i][j] ==  2 ) {           if (j % 2) {             b1 = 0;           } else {             b2 = 0;           }         } else if (grid[i][j] ==  3  || grid[i][j] ==  4 ) {           if (j % 2) {             b2 = 0;           } else {             b1 = 0;           }         }       }       res = (res * (b1 + b2)) % MOD;     }     for (int j = (0); j < (C); j++) {       int b1 = 1, b2 = 1;       for (int i = (0); i < (R); i++) {         if (grid[i][j] ==  1  || grid[i][j] ==  4 ) {           if (i % 2) {             b1 = 0;           } else {             b2 = 0;           }         } else if (grid[i][j] ==  2  || grid[i][j] ==  3 ) {           if (i % 2) {             b2 = 0;           } else {             b1 = 0;           }         }       }       res = (res * (b1 + b2)) % MOD;     }     cout << res << endl;     return 0;   }   