function timeConversion(s) {
  const typeTime = s.replace(/[^a-z]/gi, '')  
  const formatter = s.replace(/[a-z]/gi, '').split(':')
  let firstIndex = formatter[0]

  let time = 12
  let time1 = ""
  let time2 = ""
  let timeResponse = ""
 
  for(let i = 0; i < +formatter.length; i++) {
    
       if(i == 0 && firstIndex < 12 && typeTime == 'PM') {
         time += +formatter[0]
         time1 += String(time)
       }
    
       if(i == 0 && firstIndex > 11 && typeTime === 'AM') {
         time -= +formatter[0]
         time1 += String(Math.abs(time)).repeat(2)
       }
      
       if(i !== 0) {
         time2 += " " + formatter[i]
       }
    
  }
  
  if(time1 !== "") {
    timeResponse = time1.concat(time2).replace(/[\s]/g, ':')
  } else {
    time1 += String(firstIndex)
    timeResponse = time1.concat(time2).replace(/[\s]/g, ':')
 }

  return timeResponse
}