#include <iostream>
using namespace std;

int main(){
    int a;
    cin >>a;
    if(a<0&&a%2==-1)
    cout << "负奇数"<<endl;
    else if(a>0&&a%2==1)
    cout << "正奇数"<<endl;
    else if(a<0&&a%2==0)
    cout << "负偶数"<<endl;
    else
    cout << "正偶数"<<endl;
    return 0;
}