sampleRefCode.js

const readline = require('readline');

// Function to read multi-line input
function readInput() {
  return new Promise((resolve) => {
    const rl = readline.createInterface({
      input: process.stdin,
      output: process.stdout,
    });

    const lines = [];

    rl.on('line', (input) => {
      if (input.trim() === 'END') {
        rl.close(); // End input collection
      } else {
        lines.push(input); // Add input to the array
      }
    });

    rl.on('close', () => {
      resolve(lines); // Resolve the promise with collected lines
    });
  });
}

// Main function to use the input
async function main() {
  try {
    const inputLines = await readInput();
    console.log('Processing input:');
    console.log(inputLines.join('\n')); // Process the input as needed
  } catch (error) {
    console.error('An error occurred:', error);
  }
}

// Call the main function
main();