a,b,c = map(int,input().split())
if (a == b) or (b == c) or (c == a) :
    print(0)
elif ((a < b) and (b > c)) or ((a > b) and (b < c)) :
    print("INF")
else :
    ans = 0
    g = max(a,b,c)
    for MOD in range(1,g+1) :
        x = a % MOD
        y = b % MOD
        z = c % MOD
        if (x == y) or (y == z) or (z == x) :
            continue
        if ((x < y) and (y > z)) or ((x > y) and (y < z)) :
            ans += 1
    print(ans)