#include <stdio.h>
#include <math.h>
 
int main()
{
   int x,y,x1,y1,x2,y2,R,a,b;
 
   printf("Enter x,y,x1,y1:");
   scanf("%d%d%d%d",&x,&y,&x1,&y1);
   printf("\nX:%d\nY:%d\nX1:%d\nY1:%d",x,y,x1,y1);
 
   a=((x1-x)*(x1-x)+(y1-y)*(y1-y));
   R=sqrt(a);
   printf("\nRADIUS:%d",R);
   printf("\nEnter x2,y2:"); 
   scanf("%d%d",&x2,&y2);
   printf("\nX2:%d\nY2:%d",x2,y2);
   b=((x2-x)*(x2-x)+(y2-y)*(y2-y));
 
   if(R==sqrt(b))printf("\nYes");
       else printf("\nNo");
 
}

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