import java.util.Scanner;

/**
 * @author 蓝色以太 输入两个整数，放入到a与b变量中去，如果a>b就将a与b中的值进行交换，否则就不交换。
 */
public class Change {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入两个整数：");
        int a = sc.nextInt();
        int b = sc.nextInt();
        if (a > b) {
            int t = a;
            a = b;
            b = t;
        }
        System.out.println(a + "," + b);
    }
}