#include <stdio.h>
int main()
{
	int i, n;

	printf("enter the number upto which you wish to find multiples of three\n");	

	scanf("%d", &n);

	for(i = 3;i <= n; i++)
	{
		if(i % 3 == 0)
		{
			printf("%d", i);
			printf(" ");
		}
	}

	printf("\n");

	return 0;
}