func_code_string: #include <bits/stdc++.h>   using namespace std;   char s[200010], t[200010];   string ans;   void solve() {     int n = strlen(s), x = 0;     for (int i = 0; i < n; i++) {       if (i) ans +=  + ;       if (i < n - 1 && rand() % 2 == 0) {         ans += (s[i]), ans += s[++i];         x += 10 * (s[i - 1] -  0 ) + s[i] -  0 ;       } else {         ans += (s[i]);         x += s[i] -  0 ;       }     }     ans +=   n ;     sprintf(s,  %d , x);   }   int main() {     srand(time(0));     scanf( %s%s , s, t);     while (1) {       strcpy(s, t);       ans =   ;       solve();       solve();       solve();       if (strlen(s) == 1) return cout << ans, 0;     }   }   