#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; int a[n]; for(int i=0;i<n;i++){ cin>>a[i]; } for(int j=0;j<n;j++){ if((a[j]*a[j])%7!=1){ cout<<a[j]<<" "; } } } /************************************************************** Problem: 1156 User: wuzhijing Language: C++ Result: Accepted Time:9 ms Memory:2072 kb ****************************************************************/