/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
    public static void main (String[] args) throws java.lang.Exception
    {
        // your code goes here
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String[] lines = br.readLine().split(" ");
        int a1 = Integer.parseInt(lines[0]);
        int a2 = Integer.parseInt(lines[1]);
        int a3 = Integer.parseInt(lines[2]);
        
        if(a1 == a2 || a1 == a3 || a2 == a3){
            System.out.println("0");
            return;
        }
        if((a2 < a1 && a2 < a3) || (a2 > a1 && a2 > a3)){
            System.out.println("INF");
            return;
        }
        
        int max = Math.max(Math.max(a1,a2),a3);
        int ans = 0;
        for(int i=1;i<=max;i++){
            if(check(a1%i,a2%i,a3%i)){
                ++ans;
            }
        }
        System.out.println(ans);
    }
    public static boolean check(int a1,int a2,int a3){
        return  (a1 != a3) && (a2 != a3) && (a1 != a2) && 
                ((a2 < a1 && a2 < a3) || (a2 > a1 && a2 > a3));
    }

}