#include <iostream>
#include <string>

using namespace std;

int main()
{
    setlocale(0,"");
    string st;
    cout<<"введи строку - St"<<endl;
    getline(cin, st);
    int n = st.length();
    int k = n;
    bool lstChetn = 0;
    for (int i = 0; i < n; i++)
    {
        if(st[i]<'0'||st[i]>'9') continue;
        if(((st[i]-'0')%2)==0)lstChetn=1;
        else lstChetn=0;
    }
    if(lstChetn) cout<<"Chetnoje";
    else cout << "Nechetnoje";
    return 0;
}