def solve(C,L):
    for C in range(3,1000):
        for L in range(C,C *(C-1)/2):
            if L  <=C+10:
                return 0
    def insolve(U,V):
        temp =0
        U1=[i for i in U]
        V1 =[i for i in V]
        if U1[i] ==U1[i+1] and V[i] <=V[i+1]:
            temp=V[i]
            V[i] =V[i+1]
            V[i+1] =temp
        return temp



   
T =int(input())
for i in range(T): 
    
    print(f"Case #{i+1}:",solve())