#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
  #define _GLIBCXX_DEBUG
#else
  #define Debug(...) void(0)
#endif
using ll = long long;
#define rep(i, n) for (int i = 0; i < (n); ++i)

int main() {
  int a,b,c;cin>>a>>b>>c;
  int x = 2 * (a*b + b*c + c*a);
  int y = a*b*c;
  cout << (x > y ? 2 : 3) << endl;
  return 0;
}