import java.util.Scanner;

public class Main{
	public static void main(String[] args){
		Scanner sc=new Scanner(System.in);
		while(sc.hasNext()){
			int a1=sc.nextInt();
			int a2=sc.nextInt();
			int a3=sc.nextInt();
			if(a1==a2 || a1==a3 || a2==a3) System.out.println(0);
			else if(a2>a1 && a2>a3 || a2<a1 && a2<a3) System.out.println("INF");
			else{
				int ans=0;
				for(int i=2;i<=Math.max(a1,Math.max(a2,a3));i++){
					int b1=a1%i,b2=a2%i,b3=a3%i;
					if(b1==b2 || b3==b1 || b2==b3) continue;
					if(b2>b1 && b2>b3 || b2<b1 && b2<b3) ans++;
				}
				System.out.println(ans);
			}
		}
	}
}