#include <stdio.h>
int main(void)
{
    double x,y;
    int height=0;
    printf("Please input map coordinate x y :\n");
    scanf("%lf%lf",&x,&y);
    if (x<0) x=-x;
    if (y<0) y=-y;
    printf("Height = ");
    if ((x*x+y*y-4*x-4*y+8)<=1) height = 10;
    printf("%dm.",height);
    return 0;
}