using System;

public class Program

{

public static void Main()

{ 

    int i,j,n;  

    Console.Write("Input number of rows for this pattern :"); 

    n= Convert.ToInt32(Console.ReadLine());

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

    { 

    for(j=1;j<=n-i;j++) 

    Console.Write(" ");

    for(j=1;j<=2*i-1;j++)

    Console.Write("*");

    Console.Write("\n"); 

    } 

}

}