#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    cin>>n;
    if(n%2 != 0)
    {
        cout<<"奇数";
    }
    else
    {
        cout<<"偶数";
    }
    return 0;
}

#include using namespace std; int main(){ int num; cin>>num; if(num%2==1){ cout<<"奇数"; }else{ cout<<"偶数"; }return 0; }