Problem in submitting the code

import java.util.*;
public class Main {
public static void main(String args[]) {
public static void main(String[] args) {

    System.out.println("enter");
    Scanner scn= new Scanner(System.in);
    int n =scn.nextInt();
    int row=1,nst=1,nsp=0;
    System.out.println("1");
    while(row<=n-1){
        for(int cst=1;cst<=nst;cst++){
            System.out.print(row);
        }
        for(int csp=1;csp<=nsp;csp++){
            System.out.print("0");

        }for(int cst=1;cst<=nst;cst++){
            System.out.print(row);
        }

System.out.println();
nsp=nsp+1;
row=row+1;
}

    }


}

}

}

this code is working fine in java on pc but showing error on site

Hi @vaibhavgupta.1919

Your code is working fine and passing all the test cases too.
Just comment out the line System.out.println(“enter”).