#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 i=0 ; i<n ; i++){ if((a[i]*a[i])%7!=1){ cout<<a[i]<<" "; } } return 0; } /************************************************************** Problem: 1156 User: hbq Language: C++ Result: Accepted Time:8 ms Memory:2072 kb ****************************************************************/