package no358;

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();
		if (isKadomatsuSequence(a, b, c)) {
			System.out.println("INF");
		}else{
			int max = Math.max(a, Math.max(b, c));
			int count = 0;
			for(int p=1;p<=max;p++) {
				if (isKadomatsuSequence(a % p, b % p, c % p)) {
//					System.out.println(p);
					count++;
				}
			}
			System.out.println(count);
		}
	}
	public static boolean isKadomatsuSequence(long a,long b,long c) {
		if (a == b || b == c || a == c) {
			return false;
		}
		return b < a && b < c || b > a && b > c;
	}
}