def is_kadomatu(a,b,c):
    return ((a < b and b > c) or (a > b and b < c)) and a != c

a1,a2,a3 = map(int,input().split())
ans = 0
if is_kadomatu(a1,a2,a3):
    print("INF")
else:
    A = max(a1,a2,a3)
    for i in range(1,A+1):
        if is_kadomatu(a1%i,a2%i,a3%i):
            ans += 1
    else: 
        print(ans)