#include<stdio.h>
int main()
{
int a,b,c;
  while (scanf("%d %d %d",&a,&b,&c)==3)
        {
         if (a==0 && b==0 && c==0)
         break;
          if (a<=0 || b<=0 ||c<=0)
                     printf("wrong\n");
           else if (a*a==b*b+c*c)
                     printf("right\n");
          else if (b*b==a*a+c*c)
                     printf("right\n");
          else if (c*c==a*a+b*b)
                     printf("right\n");
          else
                     printf("wrong\n");
         }
}
 

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6 8 10
25 52 60
5 12 13
0 0 0