#include <iostream>
#include <cmath>
#include <vector>
#include <cstdlib>
using namespace std;
void main(){
int n;
vector<double> arr(0,.0);
cin >> n;
double a;
for (int i = 0; i < n; i++){
cin >> a;
arr.push_back(a);
}
system("cls");
for (int i = 0; i < arr.size(); i++){
cout << arr[i] << " : " << pow(arr[i], 3) << endl;
}
}