#include <iostream>
#include <vector>
#include <algorithm>
#include <math.h>
#include <map>

#define ALL(x) (x).begin(),(x).end()
#define RALL(x) (x).rbegin(),(x).rend()
#define REP(i,a,n) for(int i = (a);i < (n);i++)
#define PI 3.14159265359
#define MOD 1000000007

using namespace std;

int main(){
    int a,b,c;
    cin >> a >> b >> c;
    if(a != b && b != c && c != a && ((b > a && b > c) || (b < a && b < c)))cout << "INF\n";
    else {
        int count = 0;
        REP(i, 3, max(max(a,b),c)+1){
            int d,e,f;
            d = a%i;
            e = b%i;
            f = c%i;
            if(e != f && e != d && d != f &&((e > d && e > f) || (e < d && e < f)))count++;
        }
        cout << count << endl;
    }
    return 0;
}