کولر یا بخاری

Main.java

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int n = scanner.nextInt();
        for (int i = 0; i <n ; i++) {
            int nn = scanner.nextInt();

            if (nn > 15){
                System.out.println("cooler");
            }else {
                System.out.println("heater");
            }
        }

        scanner.close();

    }
}