for _ in range(int(input())):
    N,M,K = map(int,input().split())
    tmp = 1
    for i in range(K-1):
        tmp *= (N-i) / M / (i+1)
        if tmp > 10 ** 10:
            break
    if tmp > 1:
        print("Straight")
    else:
        print("Flush")