Q=int(input())

def Combi(a,b):# aは大きいが、bは小さいとき,modなし
    if b>a or b<0:
        return 0
    ANS=1
    for i in range(min(b,a-b)):
        ANS=ANS*(a-i)
 
    for i in range(min(b,a-b)):
        ANS=ANS//(min(b,a-b)-i)
 
    return ANS

for i in range(Q):
    N,M,K=map(int,input().split())

    if K<=1000:
        if Combi(N,K)*M<(N-K+1)*pow(M,K):
            print("Flush")
        else:
            print("Straight")

    else:        
        if N<M:
            print("Flush")
        else:
            print("Straight")