#include <iostream> #include <set> //#include <stdlib.h> using namespace std; int main() { //srand((unsigned int)time(nullptr)); int n; while(cin>>n) { set<int>s; for(int i = 0;i<n;i++) { int temp; cin>>temp; //int temp = rand()%1000+1; s.insert(temp); } for(auto x:s) { cout<<x<<endl; } } return 0; }