#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main() {
    int a, b, c;
    cin >> a >> b >> c;
    if (a==b||a==c||b==c) cout << 0;
    else if (b > a && b > c || b < a && b < c) cout << "INF";
    else {
        int cnt = 0;
        for (int i = 1; i <= 1000; i++) {
            int ta = a%i;
            int tb = b%i;
            int tc = c%i;
            if ((tb > ta && tb > tc || tb < ta && tb < tc) && ta != tc) cnt++;
        }
        cout << cnt;
    }
    cout << endl;
    return 0;
}