func_code_string: #include <bits/stdc++.h>   using namespace std;   int f[8000];   char s[8000];   int main() {     scanf( %s , s);     int n = strlen(s), m = n;     if (s[0] ==  *  || s[0] ==  / ) {       puts( 0 );       return 0;     }     f[m] = 1;     for (int i = 0; i < n; i++)       if (!isdigit(s[i]))         if (s[i + 1] ==  *  || s[i + 1] ==  /  || i == n - 1) {           puts( 0 );           return 0;         } else           m--;       else if (!isdigit(s[i + 1]))         for (int j = m + n; j > m; j--) f[j - 1] = (f[j - 1] + f[j]) % 1000003;     printf( %d n , f[m]);     return 0;   }   