import sys
def sol(a, b, c):
arr = []
arr.append(a)
arr.append(b)
arr.append(c)
maxnum = max(arr)
arr.remove(maxnum)
if maxnum*maxnum == arr[0]*arr[0] + arr[1]*arr[1]:
return "right"
else:
return "wrong"
while True:
a, b, c = map(int, sys.stdin.readline().split())
if a == 0 and b == 0 and c == 0:
break
else:
print(sol(a, b, c))