#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
using namespace std;
typedef long long int ll;
typedef pair<int,int> P;
#define yn {puts("Yes");}else{puts("No");}
#define MAX_N 200005

int main() {
    int a, b, c;
    cin >> a >> b >> c;

    if(a != b && b != c && c != a){
        if(a < b && b > c){
            cout << "INF" << endl;
            return 0;
        }
        if(a > b && b < c){
            cout << "INF" << endl;
            return 0;
        }
    }else{
        cout << 0 << endl;
        return 0;
    }

    int ans = 0;

    srep(i,1,1120){
        int d = a % i;
        int e = b % i;
        int f = c % i;
        if(d != e && e != f && f != d){
            int flag = 0;
            if(d < e && e > f)flag = 1;
            if(d > e && e < f)flag = 1;
            ans += flag;
        }
    }

    cout << ans << endl;
    return 0;
}