#include <stdio.h>

int main()
{
	long double f1,f2;
	while(!feof(stdin))
	{
		scanf("%Lf %Lf",&f1,&f2);
		printf("Hello, World!  %.16Lg %.16Lg\n",f1,f2);
		printf("Hello, World!  %Lg %Lg\n",f1,f2);
	}
}