#include <iostream>
#define if ;if(
#define then )
#define else ;else
using namespace std;
void print(auto d) {
  cout<<d;
}
auto input(auto &u) {
  cin>>u;
  return u;
}
int x;
int a;

int main() {
  a = input(x)
  if  x % 2 == 0 then
    print("Even")
  else
    print("Odd")
}