#include <bits/stdc++.h>

using namespace std;

#define FOR(i, m, n) for(int i = m; i < n; i++)

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

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

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

    int ans = 0;
    FOR(i, 2, max({a, b, c}) + 1) {
        ans += kdmtChk(a % i, b % i, c % i);
    }
    cout << ans << endl;
    return 0;
}