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