#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ld long double
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define LOL cout<<'\n';
#define MOD 1000000007
#define sz(x) ((int)x.size())
#define INF LONG_LONG_MAX
#define NINF LONG_LONG_MIN

void solve(){
  int a,b; cin>>a>>b;
  if(a%2==0 && b%2==0) cout<<"Even";
  else{
    int f=0;
    for(int i=3 ; i<=max(a,b) ; i+=2){
      if(a%i==0 && b%i==0) {f=1;break;}
    }
    if(f) cout<<"Even";
    else cout<<"Odd";
  }
  LOL
}

signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0); cout.tie(0);
  solve();
  return 0;
}