#include <stdio.h>
/*                                                              */
/*      main program for eulerphi.c                             */
/*      finds euler phi of integer n                            */
/*                                                              */
main()
{

	long n;
	long phi();

	while ( 1L == 1L)
	{
		printf("\n");
		printf("Find Euler phi(n)\n");
		printf("Enter n: ");
		scanf("%ld", &n);

		printf("Phi of %ld is %ld\n", n, phi(n));
	}
}