#include<iostream>
#include<algorithm>
using namespace std;
int main()
{
register int arm[3];
//freopen("in.txt","r",stdin);
while(scanf("%d%d%d",&arm[0],&arm[1],&arm[2])&&(arm[0]||arm[1]||arm[2]))
{
sort(arm,arm+3);
if((arm[2]*arm[2])^(arm[0]*arm[0]+arm[1]*arm[1]))
printf("wrong\n");
else
printf("right\n");
}
return 0;
}
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