import java.util.Scanner;
public class Main{
public static void main (String[] args){
	Scanner sc = new Scanner(System.in);
	int n = sc.nextInt();
	for(int i = 1; i <= n; i++) {
		for(int m = 1; m <= i; m ++) {
				System.out.print(m);

		}
	
		System.out.print('\n');
	}
	
	
	
}
}
/**************************************************************
	Problem: 1784
	User: admin
	Language: Java
	Result: Accepted
	Time:668 ms
	Memory:40348 kb
****************************************************************/