#include<bits/stdc++.h> using namespace std; int main { string s; getline (cin s); char m1 = ' ',m2 = ' '; for(int i=0;i<s.length();i++) if (s[i]>m1)

#include<iostream>
#include<cstdio>
using namespace std;
int main(){
    int a;
    cin>>a;
    if(a%2==0){
        cout<<"even"<<endl;
    }else{
        cout<<"odd"<<endl;
    }
    return 0 ;
}