啊哈添柴——挑战
1751. 字符的排序(简单版)
import java.util.Scanner;
/**
* @author yinglongwu
*/
//1751. 字符的排序(简单版)
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
char c1 = scanner.next().charAt(0);
char c2 = scanner.next().charAt(0);
System.out.println((c1<c2?c1:c2)+" "+(c1>c2?c1:c2));
}
}