#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    auto f = [&](int x[]) {
        auto [mi, ma] = minmax({x[0], x[1], x[2]});

        return x[0] != x[1] && x[1] != x[2] && x[2] != x[0] && (x[1] == mi || x[1] == ma);
    };

    int A[3]; rep(i,3) cin >> A[i];
    if(f(A)) {
        cout << "INF" << endl;
    } else {
        int ans = 0;
        for(int p = 1; p <= 1000; p++) {
            int B[3];
            rep(i,3) B[i] = A[i] % p;
            if(f(B)) ans++;
        }
        cout << ans << endl;
    }
}