#include <iostream>
#include <algorithm>

bool judge(int a, int b, int c) {
    if (a == b || b == c || c == a) return false;
    if (a < b && b < c) return false;
    if (a > b && b > c) return false;
    return true;
}

void solve() {
    int a, b, c;
    std::cin >> a >> b >> c;

    if (judge(a, b, c)) {
        std::cout << "INF" << std::endl;
        return;
    }

    int ans = 0;
    for (int p = 1; p <= std::max({a, b, c}); ++p) {
        if (judge(a % p, b % p, c % p)) ++ans;
    }

    std::cout << ans << std::endl;
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    solve();

    return 0;
}