function solve ([params]) {
  let result = []
  params
    .split('&')
    .map(x => x.match(/^([A-Za-z\d]{25}|[A-Za-z\d]{16})$/))
    .filter(x => x)
    .forEach(x => {
      result.push(
        x[1]
          .toUpperCase()
          .split('')
          .map(x => (isNaN(x) ? x : 9 - Number(x)))
          .join('')
          .match(x[0].length === 16 ? /.{4}/g : /.{5}/g)
          .join('-')
      )
    })

  console.log(result.join(', '))
}