file.cpp

#include <iostream>
#include <cstdio>
using namespace std;

int main() {
    int a,b;
    cin >> a;
    cin >> b;
    for(int i = a ; i<=b ; i++){
        if (i>=1 && i<=9)
            switch(i)
            {
                case 1:
                    cout << "one\n";
                    break;
                case 2:
                    cout << "two\n";
                    break;
                case 3:
                    cout << "three\n";
                    break;
                case 4:
                    cout << "four\n";
                    break;
                case 5:
                    cout << "five\n";
                    break;
                case 6:
                    cout << "six\n";
                    break;
                case 7:
                    cout << "seven\n";
                    break;
                case 8:
                    cout << "eight\n";
                    break;
                case 9:
                    cout << "nine\n";
            }
        else if(i>9 && i%2==0)
        {   
            cout << "even\n";
            
        }
        else
        {   
            cout << "odd\n";
            
        }
    }
    return 0;
}