#include <bits/stdc++.h>   int main() {     int N;     std::cin >> N;     std::vector<int> array(N);     for (int i = 0; i < N; ++i) std::cin >> array[i];     std::sort(array.begin(), array.end());     if (1 == array.back())       array[N - 1] = 2;     else       array[N - 1] = 1;     std::sort(array.begin(), array.end());     for (int i = 0; i < N; ++i) std::cout << array[i] <<    ;     return 0;   }   