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package pattern2;

import java.util.Scanner;

/*

for N = 4 print the pattern

*

* * *

* * * * *

* * * * * * *

*/

public class StarTriangle {

public static void main(String[] args) {

Scanner scan = new Scanner(System.in);

int n = scan.nextInt();

int i = 1;

while (i <= n) {

int j = 1;

// number of spaces to be printed

while (j <= n - i) {

System.out.print("\t");

j++;

}

// star printing loop

j = 1;

while (j <= 2 * i - 1) {

System.out.print("*\t");

j++;

}

System.out.println();

i++;

}

}

}