#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (ll i = 0; i < (n); ++i)
#define rep1(i, n) for (ll i = 1; i < (n); ++i)
#define rrep(i, n) for (ll i = n; i > 0; --i)
#define bitrep(i, n) for (ll i = 0; i < (1 << n); ++i)
#define all(a) (a).begin(), (a).end()
#define rall(a) (a).rbegin(), (a).rend()
#define yesNo(b) ((b) ? "Yes" : "No")
using ll = long long;
using ull = unsigned long long;
using ld = long double;
string alphabet = "abcdefghijklmnopqrstuvwxyz";
string ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const double pi = 3.141592653589793;
int smallMOD = 998244353;
int bigMOD = 1000000007;

int main()
{
    // a,b,c;
    int a, b, c;
    cin >> a >> b >> c;
    // 表面積と体積を求めて、X>Yなら2でなければ3を出力
    int X = (a * b + b * c + c * a) * 2;
    int Y = a * b * c;
    if (X > Y)
    {
        cout << 2 << endl;
    }
    else
    {
        cout << 3 << endl;
    }
    return 0;
}