02. Rosetta Stone js exam

function solve(args) {
  const templateMatrixN = Number(args.shift());
  const templateMatrix = [];
  const lettersNumbers = [];


  for (let i = 0; i < templateMatrixN; i++) {
    templateMatrix.push(args.shift(i).split(' ').map(Number));
  }

  args.forEach((str) => {
    lettersNumbers.push(str.split(' ').map(Number));
  });

  let result = '';

  for (let row = 0; row < lettersNumbers.length; row++) {
    for (let col = 0; col < lettersNumbers[0].length; col++) {
      const current = lettersNumbers[row][col];
      const modifier = templateMatrix[row % templateMatrix.length][col % templateMatrix[0].length];
      result += String.fromCharCode(((current + modifier) % 27) + 64);
    }
  }

  result = result.replace(/@/g, ' ');
  console.log(result);
}