#include <bits/stdc++.h>
#include <climits>
#include <math.h>
using namespace std;

int main(){
  int A, B;
  cin >> A >> B;
  if(A%2==0 .or. B%2==0){
    cout << even<<endl;
  }else{
    cout << odd << endl;
  }
  return 0;
}