A = list(map(int, input().split()))

if A[1] == min(A) or A[1] == max(A):
    if A[0] != A[1] and A[1] != A[2] and A[2] != A[0]:
        print('INF')
    else:
        print(0)
else:
    cnt = 0
    for i in range(1, max(A) + 1):
        B = A[0] % i, A[1] % i, A[2] % i
        if B[1] == min(B) or B[1] == max(B):
            if B[0] != B[1] and B[1] != B[2] and B[2] != B[0]:
                cnt += 1
    print(cnt)