1 //Auther: Madhat Alsoos
    2 
    3 #include <fstream>
    4 #include <iostream>
    5 
    6 using namespace std;
    7 
    8 void find (int a,int b,int c)
    9 {
   10   if (a*a+b*b==c*c)
   11     cout<<"right"<<endl;
   12   else
   13     cout<<"wrong"<<endl;
   14 }
   15 int main()
   16 {
   17   int a,b,c;
   18   //freopen("a.in","r",stdin);
   19   while (cin>>a>>b>>c)
   20     {
   21       if (a==0)return 0;
   22       if (a>b && a>c)
   23         find(b,c,a);
   24       else if (b>a && b>c)
   25         find(a,c,b);
   26       else if (c>a && c>b)
   27         find(a,b,c);
   28     }
   29   return 0;
   30 }