#include <bits/stdc++.h>

using namespace std;

bool isKadomatsu(int a, int b, int c) {
    if (a == b || b == c || c == a) {
        return false;
    } else {
        return (max({a, b, c}) == b || min({a, b, c}) == b);
    }
}

int main() {
    int a, b, c;
    cin >> a >> b >> c;

    if (isKadomatsu(a, b, c)) {
        cout << "INF" << endl;
        return 0;
    }

    int ans = 0;
    for (int i = 2; i <= max({a, b, c}); ++i) {
        ans += isKadomatsu(a % i, b % i, c % i);
    }

    cout << ans << endl;
    return 0;
}