#include <stdio.h>
#define N 10

main()
{
	int a[N][N], i, j;

	for (i = 0; i < N; i++)	{
		a[i][i] = 1;
		a[i][0] = 1;
	}
	for (j = 2; j < N; j++)
		for (i = 1; i < j; i++)
			a[j][i] = a[j-1][i-1]+a[j-1][i];
	for (j = 0; j < N; j++) {
		for (i = 0; i <= j; i++)
			printf("%3d ", a[j][i]);
		printf("\n");
	}
	return 0;
}