gistfile1.txt

import java.util.Scanner;

public class GroupC1 {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);

        int n = input.nextInt();

        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= i; j++) {
                if (j==i){
                    System.out.println(j);
                }
                else {
                    System.out.print(j+",");
                }
            }
        }

    }
}