import java.util.Scanner;

public class Main {

	public static void main (String[] args) {

		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		System.out.println(solve(a, b, c));

		sc.close();

	}

	public static String solve (int a, int b, int c) {

		if (isKadomatsu(a, b, c)) return "INF";
		if (a == b || a == c || b == c) return "0";

		int ret = 0, lim = Math.max(Math.max(a, b), c);
		for (int i = 2; i <= lim; i++)
			if (isKadomatsu(a % i, b % i, c % i)) ret++;
		return ret + "";

	}

	public static boolean isKadomatsu (int a, int b, int c) {
		return ((b < a && b < c) || (b > a && b > c)) && a != b && a != c && b != c;
	}

}