Something wrong...Any Hint?
package pl.codegym.task.task04.task0436;
/*
Rysowanie prostokąta
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int m = Integer.parseInt(reader.readLine());
int n = Integer.parseInt(reader.readLine());
for ( int a=1; a<m; a++)
{
System.out.println("8");
}
for ( int i=1; i<=n ;i++)
{
System.out.print("8");
}
}
}