Uri 2203- Crowstorm

/*                                                       CODEMAN

Arif Khan Nihar

Uri 2203- Crowstorm

date - 10/9/2016

*/

#include<bits/stdc++.h>

#define di 1.50

using namespace std;

int main()

{

//freopen("in.txt","r",stdin);

double d,t_r,t_x,t_y,x1,x2,y1,y2,v,r1,r2;

while(scanf("%lf %lf %lf %lf %lf %lf %lf",&x1,&y1,&x2,&y2,&v,&r1,&r2)!=EOF){

t_x = (x2 - x1) * (x2 - x1);

t_y = (y2 - y1) * (y2 - y1);

d = sqrt(t_x + t_y);

d += v * di;

t_r = r1 + r2 ;

cout<<((d<=t_r)? "Y\n" : "N\n");

}

return 0;

}