function solve(n) {


    let months = [ [ "January", "February", "March", "April", "May", "June", "July",
      "August", "September", "October", "November", "December" ] ];


    const output = months.map(par => par[n - 1]);


    if (String(output[0])) {

      return output[0];

    } else {

    return 'Error!';

    }


}


console.log(solve('44'));