/*displays octal , hexadecimal numbers*/
#include <stdio.h>

int main()
{
	int i;
	for(i=1;i<=16;i++)
	{
		printf("%o  ",i); /*octal representation*/
		printf("%x  ",i); /*hexadecimal representation*/
		printf("%X  ",i); /*uppercase hexadecimal*/
		printf("\n");
	}
	return 0;
}