import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        long a1 = sc.nextInt();
        long a2 = sc.nextInt();
        long a3 = sc.nextInt();
        long Max=Math.max(Math.max(a1,a2),a3);
        int count =0;
        if(kado(a1,a2,a3)){
            System.out.println("INF");
        }else{
            for(int i=1;i<=Max;i++){
                long b1=a1%i;
                long b2=a2%i;
                long b3=a3%i;
                if(kado(b1,b2,b3)){
                   count++;
                }     
            }
            System.out.println(count);         
        }
    }
    public static boolean kado(long x,long y,long z){
        return ((x!=y)&&(y!=z)&&(z!=x))&&(((y>x)&&(y>z))||((y<x)&&(y<z)));
    }
}