#include<iostream>
#include<string>
#include<algorithm>
#include<cctype>
#include<set>
#include<bitset>
#include<math.h>
#include<map>
#include<queue>
#include<iomanip>
using namespace std;
#ifdef _WIN32
#include <Windows.h>
#endif

int main()
{
    int a1, a2, a3, cnt = 0;
    cin >> a1 >> a2 >> a3;
    if (a1 == a2 || a1 == a3 || a2 == a3){
        cout << 0 << endl;
        return 0;
    } else if (a2 == max({a1, a2, a3}) || a2 == min({a1, a2, a3})){
        cout << "INF" << endl;
        return 0;
    } else {
        for (int i = 2; i <= max({a1, a2, a3}); i++){
            int s = a1%i, t = a2%i, u = a3%i;
            if ((s != t) && (s != u) && (t != u)){
                if ((t == max({s, t, u})) || (t == min({s, t, u}))){
                    cnt++;
                    //cout << i << endl;
                }
            }
        }
    }
    cout << cnt << endl;
}