package com.company;

import java.util.Scanner;

public class CalculateDiscount {
    public static void main(String[] args) {
        Scanner user_input = new Scanner(System.in);

        int items =user_input.nextInt();

        double price=0.0;

        for (int i=0; i<items; i++) {

            double inputPrice = user_input.nextDouble();

            price = 0.35*inputPrice;

            System.out.printf("%.2f\n",price) ;
        }
    }
}