#include <bits/stdc++.h>

using namespace std;

#define _GLIBCXX_DEBUG
#define dump(c) cerr << "> " << #c << " = " << (c) << endl
#define all(c) ((c).begin()), ((c).end())
#define rep(i,n) for(int i=0;i<(int)n;i++)
#define FOR(i,s,e) for(int (i)=(int)(s);(i)<(int)(e);++(i))
#define inf 0x3f3f3f3f
#define infl 0x3f3f3f3f3f3f3f3fLL

typedef long long ll;
typedef unsigned long long ull;

bool isDiff(int a, int b, int c){
    if (a==b || b==c || c==a) return false;
    return true;
}

bool isKadomatsu(int a, int b, int c){
    return (isDiff(a,b,c) && ((a > b && c > b)||(a < b && c < b)));
}


int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int A1, A2, A3;
    cin >> A1 >> A2 >> A3;
    if (!isDiff(A1, A2, A3)){
        cout << "0" << endl;
    }else if (isKadomatsu(A1, A2, A3)){
        cout << "INF" << endl;
    }else{
        int counter = 0;
        int m = max(A1, max(A2, A3));
        for (int i = 1; i <= m; ++i) {
            if (isKadomatsu(A1%i, A2%i, A3%i)) counter++;
        }
        cout << counter << endl;
    }

    return 0;
}