import java.util.Scanner;
public class String1{
public ststic void main(String[] args){
Scanner s = new Scanner(System.in);
String str = s.next(); //输入字符串
}
}
import java.util.Scanner;
public class String1{
public ststic void main(String[] args){
Scanner s = new Scanner(System.in);
String str = s.next(); //输入字符串
}
}