#include<bits/stdc++.h> using namespace std; int main(){ int x; cin>>x; int a[x]; for(int i=0;i<x;i++){ cin>>a[i]; } for(int j=0;j<x;j++){ if((a[j]*a[j])%7!=1){ cout<<a[j]<<" "; } } } /************************************************************** Problem: 1156 User: lidongbo Language: C++ Result: Accepted Time:6 ms Memory:2072 kb ****************************************************************/