import java.io.*;

class pyramid {
	public static void main(String args[ ]) {
		int no, i, j;

		/* Convert command line String argument into Integer */
		no = Integer.parseInt(args[0]);

		/* Loop the process */
		for(i=0; i <= a; i++) {

			/* Nested loop */
			for(j=1; j <= i; j++)
				System.out.print(i+" ");
			System.out.println("");
		}
	}
}


          /****** Output ******/
          
java pyramid 5

1

2 2

3 3 3

4 4 4 4

5 5 5 5 5