#include <iostream>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <utility>
#include <string>
#include <queue>
#include <stack>

using namespace std;

typedef long long int ll;
typedef pair<int, int> Pii;

const ll mod = 998244353;

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);

  int a, b, c;
  cin >> a >> b >> c;

  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;
}