Unique Sequnce

for _ in range(int(input())):
    n = int(input())
    nos = list(map(int,input().split()))
    uniq = set(nos)
    is_uniq = True
    for val in uniq:
        if nos.count(val) > 1:
            is_uniq = False
    if is_uniq:
        print("beautiful")
    else:
        print("ugly")