import java.util.Scanner;

public class Nested {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.print("정수를 입력하시오: ");
        int number = sc.nextInt();
        if (number > 0)
            System.out.println("양수입니다.");
        else if (number == 0 )
            System.out.println("0입니다.");
        else
            System.out.println("음수입니다.");
        sc.close();
    }
}