#include <stdlib.h>
#include <stdio.h>
#include <math.h>


/* 1.st argument = offset in seconds*/
/* input in nanoseconds */
/* output is in microseconds */
int main(int argsc, char ** args){
	double first, act;
	/* first value*/
	scanf("%lf",&first);
	printf("0.000000000\n");
	/* proceed with the second and over values ..*/
	while(scanf("%lf",&act)!=EOF){
		act-=first;
		printf("%.9lf\n",act);
	}

	return 0;
}