题解 | #牛牛学说话之-字符#

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
       char m = in.next().charAt(0);
        while((int)(m)>127 ){
            m=in.next().charAt(0);
        }
       System.out.println(m);
    }
}