A1, A2, A3 = map(int, input().split())

if A1 != A2 and A2 != A3 and A3 != A1 and (max(A1,A2,A3) == A2 or min(A1,A2,A3) == A2):
    print("INF")
else:
    count = 0
    for i in range(3,max(A1,A2,A3) + 1):
        B1 = A1 % i
        B2 = A2 % i
        B3 = A3 % i
        if B1 != B2 and B2 != B3 and B3 != B1 and (max(B1,B2,B3) == B2 or min(B1,B2,B3) == B2):
            count += 1
    print(count)