but could not found where did i go wrong plis help
package com.codegym.task.task04.task0436;
/*
Drawing a rectangle
*/
import java.io.*;
class Solution{
public static void main(String[] args) throws Exception{
//write your code here
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String x = reader.readLine();
String y = reader.readLine();
int a = Integer.parseInt(x);
int b = Integer.parseInt(y);
for(int j=0; j<b; j++){
System.out.println();
for(int i = 0; i<a; i++){
System.out.print("8");
}
}
}
}