import java.util.Scanner;

public class Ex6a {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        System.out.print("Number? ");
        int num = input.nextInt();
        for(int i = 1; i <= num; i++){
            for(int j = 1; j <= i; j++){
                System.out.print(j);
            }
            System.out.println();
        }
    }
}