func_code_string: #include <bits/stdc++.h>   using namespace std;   long long modpower(long long n, long long k) {     long long res = 1;     while (k) {       if (k & 1) res = (res * n) % 1000000009;       k >>= 1;       n = (n * n) % 1000000009;     }     return res;   }   signed main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     long long n;     cin >> n;     long long a[n];     bool f = 0;     for (long long i = 0; i < n; ++i) {       cin >> a[i];       if (a[i] != 1) f = 1;     }     sort(a, a + n);     if (!f) {       for (long long i = 0; i < n - 1; ++i) {         cout << a[i] <<    ;       }       cout << 2;       return 0;     }     cout << 1 <<    ;     for (long long i = 0; i < n - 1; ++i) {       cout << a[i] <<    ;     }   }   