UVa – 11854 – Egypt

#include <stdio.h>
#include <stdlib.h>

int main()
{
     for( ;; )
     {
     int a,b,c;
     scanf("%d %d %d",&a,&b,&c);

     if(a==0 && b==0 && c==0)
     {
         break;
     }
     if(c*c==a*a+b*b)
     {
        printf("right\n");
     }
     else if(a*a==b*b+c*c)
     {
        printf("right\n");
     }
     else if(b*b==a*a+c*c)
     {
         printf("right\n");
     }
     else
     {
         printf("wrong\n");
     }
     }
     return 0;
}

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