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

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