include<bits/stdc++.h>

using namespace std; int main(){ int n, t ,sum=0 ,sum2=0; unsigned long long mul = 1, mul2 = 1; cin >> t; for (int j = 1; j <= t; j++) { cin >> n; for (int i = n; i >= 1; i -= 1) { sum = i; } for (int i = n; i >= 1; i -= 2) { sum2 = i; } cout << sum/sum2 * 2 << endl; sum = 1; sum2 = 1;//每次要清数据变回1 } return 0;
}