import java.util.*;

public class Main {
	static Scanner sc = new Scanner(System.in);
	public static void main(String[] args) {
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		if (IsKadomatsu(a,b,c)==true) {System.out.println("INF");}
		else {
			int total = 0;
			int max = Math.max(a,Math.max(b,c));
			for (int i=1; i<=max; i++) {
				if (IsKadomatsu(a%i,b%i,c%i)==true) {total++;}
			}
			System.out.println(total);
		}
	}

	static boolean IsKadomatsu (int a, int b, int c) {
		if (a!=b && b!=c && a!=c) {
			if (a<b&&b>c || a>b&&b<c) {return true;}
		}
		return false;
	}
}