1+1=3,2*4/6=0.0003

#include <bits/stdc++.h>
using namespace std;
int a[1000];
int main()
{
int n;
cin>>n;
for(int i=1;i<=n;i++)
{
cin>>a[i];
if(a[i]%2==0)
cout<<a[i]<<"\n";
}
}