#include <iostream>

using namespace std;

int main()
{
  string name;
  int age;

  // get input
  cout << "Enter your first name: ";
  cin >> name;

  cout << "Enter your age: ";
  cin >> age;
  if (age < 0)
    {
      cout << "ERROR: age must be >= 0!" << endl << endl;
      return 0;
    }  // end if

  // print output
  cout << name << " is " << age 
       << " years old." << endl;

  return 0;
}  // end main