#include <stdio.h>
#include <math.h>
/*
* Return x squared
*/
double
sqr(double x)
{
return (x * x);
}
main()
{
struct s_point {
double x, y; /* Coordinates */
} points[100];
int i;
for (i = 0; i < 100; i++)
scanf("%lg %lg", &points[i].x, &points[i].y);
for (i = 0; i < 100; i++) {
printf("x=%lg y=%lg ", points[i].x, points[i].y);
printf("d=%lg\n", sqrt(sqr(points[i].x) + sqr(points[i].y)));
}
}