#include <bits/stdc++.h>

using namespace std;
using llong = long long;
using ldbl = long double;
using lpair = pair<llong, llong>;

#define ALL(x) x.begin(), x.end()

constexpr llong mod = 1e9+7;
constexpr llong inf = mod * mod;

int main() {
  llong a, b, c;
  cin >> a >> b >> c;
  llong x = a * b * 2 + b * c * 2 + c * a * 2;
  llong y = a * b * c;

  cout << (x > y ? 2 : 3) << endl;

  return 0;
}