egypt

#include<stdio.h>
#include<math.h>
main()
{
    int a,b,c;
    float x,y,z;
    scanf("%d%d%d",&a,&b,&c);
    x=sqrt(a*a+b*b);
    y=sqrt(b*b+c*c);
    z=sqrt(c*c+a*a);
    if (a==0 || b==0 || c==0)
        return EOF;
    else if (x==c || y==a || z==b)
         printf("right");
    else
          printf("wrong");
}