func_code_string: #include <bits/stdc++.h>   using namespace std;   bool is[1000001 + 1];   long long int g1(long long int x, long long int y) {     long long int res = 1;     x = x;     while (y > 0) {       if (y & 1) res = (res * x);       y = y >> 1;       x = (x * x);     }     return res;   }   long long int g(long long int x, long long int y, long long int p) {     long long int res = 1;     x = x % p;     while (y > 0) {       if (y & 1) res = (res * x) % p;       y = y >> 1;       x = (x * x) % p;     }     return res;   }   long long int GCD(long long int A, long long int B) {     if (B == 0) {       return A;     } else {       return GCD(B, A % B);     }   }   long long int isMultipleOf3(long long int n) {     long long int odd_count = 0;     long long int even_count = 0;     if (n < 0) n = -n;     if (n == 0) return 1;     if (n == 1) return 0;     while (n) {       if (n & 1) odd_count++;       n = n >> 1;       if (n & 1) even_count++;       n = n >> 1;     }     return isMultipleOf3(abs(odd_count - even_count));   }   int main() {     long long int n, x, m = 0, t, a = 0, b = 0, f = 0;     string s, str;     set<int> v;     cin >> s;     long long int c = 0;     n = s.length();     long long int row = 1;     long long int col = 1;     for (int i = 0; i < s.length(); i++) {       if (s[i] ==  1 ) {         cout <<  3               <<     << col <<   n ;         col += 2;         if (col > 4) col = 1;       } else {         cout <<  1               <<     << row++ <<   n ;         if (row == 5) row = 1;       }     }   }   