#include <bits/stdc++.h>
#include <numeric>
#include <unordered_map>
using namespace std;

#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
#define i64 int_fast64_t

const i64 INF = INT64_MAX;
const i64 ERR = INT64_MIN;
const i64 MOD = 998244353;

int main() {
  i64 A,B,C;
  cin>>A>>B>>C;
  i64 X=(A*B+B*C+C*A)*2, Y=A*B*C;
  if(X>Y) cout<<"2"<<endl;
  else cout<<"3"<<endl;
}