#include <iostream>

int main() 
{
    int age;
    std::cout<< "enter the age: ";
    std::cin >> age;
    if(age>=18)
    {
        std::cout << age << " eligible" << std::end1;
    }
    else
    {
        std::cout << age << " not eligible" << std::endl;
     }
return 0;
}