#include<stdio.h>
int main()
{
      int i,j,n;
      printf(" Please, Enter the Range : ");
      scanf("%d",&n);
      for(i=1;i<=n;i++)
      {
         for(j=1;j<=i;j++)
         {
            printf("%d ",j);
         }
         printf("\n");
      }
      return 0;
}