백준 5086번: 배수와 약수

package BOJ.step9;

import java.util.Scanner;

public class BOJ5086 {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        while (true) {
            int a = sc.nextInt();
            int b = sc.nextInt();
            if (a==0&& b==0) break;
            if (b%a==0){
                System.out.println("factor");
            } else if (a % b == 0) {
                System.out.println("multiple");
            } else {
                System.out.println("neither");
            }
        }
    }
}