#include <bits/stdc++.h>
#define PI 3.14159265359
using namespace std;
const int64_t MOD = 1e9 + 7;

int main() {
	vector<int> v(3);
	for (int i = 0; i < 3; i++) {
		cin >> v.at(i);
	}

	if ((v.at(0) != v.at(1)) &&
		(v.at(0) != v.at(2)) &&
		(v.at(1) != v.at(2))) {
		int n = max(max(v.at(0), v.at(1)), v.at(2));
		int m = min(min(v.at(0), v.at(1)), v.at(2));

		if ((v.at(1) == n) || (v.at(1) == m)) {
			cout << "INF" << endl;
			return 0;
		}
	}
	else {
		cout << 0 << endl;
		return 0;
	}

	int MAX= max(max(v.at(0), v.at(1)), v.at(2));
	int cnt = 0;
	for (int i = 2; i <= MAX; i++) {
		int a, b, c;
		a = v.at(0) % i;
		b = v.at(1) % i;
		c = v.at(2) % i;

		if ((a != b) &&
			(a != c) &&
			(b != c)) {
			int n = max(max(a, b), c);
			int m = min(min(a, b), c);

			if ((b == n) || (b == m)) {
				cnt++;
			}
		}
	}

	cout << cnt << endl;
}