#include <iostream>
using namespace std;

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