#include <bits/stdc++.h>
using namespace std;
 
int main(){
  int a,b;
  int c;
  
  cin >> a >> b;
  
  c = (a + b) % 2;
  
  if (c == 0){
    cout << "Even" << endl;
  }
  else{
    cout << "Odd" << endl;
  }
  
}
#include <bits/stdc++.h>
using namespace std;

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