python题解

for _ in range(int(input())):
    n = int(input())
    arr = list(map(int, input().split()))
    sum_A = sum(arr)
    sum_min = 0
    for num in arr:
        sum_min += 2 if num == 1 else 1
    print(":-(" if sum_min > sum_A else "^_^")