4153

while True:
    a, b, c = map(int, input().split())
 
    if a + b + c == 0:
        break
 
    aa = a * a
    bb = b * b
    cc = c * c
 
    if aa + bb == cc:
        print("right")
    elif aa + cc == bb:
        print("right")
    elif bb + cc == aa:
        print("right")
    else:
        print("wrong")