import java.io.BufferedReader; import java.io.InputStreamReader; public class Solution3 { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int input = Integer.parseInt(br.readLine()); int s = input; for (int i = 0; i < input; i++) { for (int z = 1; z < s - i; z--) { System.out.print(" "); } for (int j = 0; j < i * 2 + 1; j++) { System.out.print("*" + " "); } System.out.println(); } } }