#include <stdio.h>
int main()
{
	int i = 0, j = 0, n = 0;
	while (scanf("%d", &n) != EOF)
	{
		for (i = 1; i < n + 1; i++)//控制行数
		{
			for (j = 1; j <=i; j++)
			{
				printf("%d ",j );//打印每一行
			}
			printf("\n");
		}
	}
	return 0;
}