code as below ,
package zh.codegym.task.task07.task0720;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
/*
及时洗牌
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
//在此编写你的代码
int N =Integer.parseInt(reader.readLine());
int M =Integer.parseInt(reader.readLine());
ArrayList<String> list=new ArrayList();
for(int i = 0 ;i < N; i++){
list.add(reader.readLine());
}
for(int i=0 ; i < M ;i++){
list.add(list.get(i));
}
for(int i=0;i < M;i++){
list.remove(i);
}
for(String x:list){
System.out.println(x);
}
}
}