func_code_string: #include <bits/stdc++.h>   using namespace std;   long long mul(long long a, long long b) { return (a * b) % 1000000007; }   long long add(long long a, long long b) {     a += b;     if (a >= 1000000007) a -= 1000000007;     return a;   }   long long binary_expo(long long base, long long expo) {     long long res = 1;     while (expo) {       if (expo % 2) {         res = mul(res, base);       }       expo /= 2;       base = mul(base, base);     }     return res;   }   void solve() {     long long n;     cin >> n;     cout << n <<   n ;     for (long long i = 1; i <= n; i++) {       cout <<  1  ;     }     cout <<   n ;   }   signed main() {     long long t;     ios_base::sync_with_stdio(false);     t = 1;     while (t--) {       solve();     }   }   