package Patterns;

/*

*_ *_ *_ *_

*_ *_ *_

*_ *_ *_ *_

*_ *_ *_

*_ *_ *_ *_

*_ *_ *_

*_ *_ *_ *_

*/

import java.util.Scanner;

public class pattern2 {

public static void main(String[] args) {

Scanner input = new Scanner(System.in);

System.out.println("Enter the no.of stars: ");

int n = input.nextInt();

for(int i=0;i<n;i++){

for(int j=0;j<n;j++){

if((i+j)%2==0) System.out.print("*_");

else

System.out.print(" ");

}

System.out.println("");

}

input.close();

}

}