Codecademy export

main.js

// Race number generation (rN)
let raceNumber = Math.floor(Math.random() * 1000);

// Registration early or late (rE)
const registeredEarly = true;

// Age of runner (rA)
const runnersAge = 22;

// Control and verification of rE & rA = rN
if (registeredEarly && runnersAge > 18) {
  raceNumber += 1000;
} 

// Assignment of rN and time slot

// Early Adults
if (runnersAge > 18 && registeredEarly) {
  console.log(`Your race will begin early, at 09:30. Your assigned race number is ${raceNumber}. Good luck!`);
} // Late Adults
else if (runnersAge > 18 && !registeredEarly) {
  console.log(`Your race will begin late, at 11:00. Your assigned race number is ${raceNumber}. Good luck!`);
} // Youth race
else if (runnersAge < 18) {
  console.log(`Your race will begin at 12:30. Your assigned race race number is ${raceNumber}.`);
}
else { // Failure of assignment
  console.log('Please report to the registration desk for assignment of race number and time slot.');
}