def kadomatsu(A):
    if len(set(A)) != 3:
        return 0
    if A[0] > A[1] and A[1] < A[2]:
        return 1
    if A[0] < A[1] and A[1] > A[2]:
        return 1
    return 0

A = list(map(int, input().split()))
if kadomatsu(A):
    print('INF')
    exit()
    
ans = 0
for i in range(1, 1005):
    ans += kadomatsu([A[0]%i, A[1]%i, A[2]%i])
    
print(ans)