include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0; i<n; i++)

int main(){
  int a,b;
  cin >> a >> b;
  int x;
  
  x = a*b;
  if(x%2 == 1) cout << "Even" << endl;
  else cout << "Odd" << endl;
  
  return 0;
}