function solve(input) {

  let conMess = input.shift();


  while (input[0] !== 'Reveal') {

    let cur = input.shift().split(':|:');

    let command = cur[0];

    let subsOrIndex = cur[1];

    let replacement = cur[2];

    let before = '';

    let after = '';


    if (command === 'InsertSpace') {

      before = conMess.substring(0, subsOrIndex);

      after = conMess.substring(subsOrIndex);

      before += ' ';

      conMess = before.concat(after);

      console.log(conMess);

    } else if (command === 'Reverse') {

      if (conMess.includes(subsOrIndex)) {

        let revStr = '';

        for (let i = subsOrIndex.length - 1; i >= 0; i--) {

          revStr += subsOrIndex[i];

        }

        conMess = conMess.replace(subsOrIndex, revStr);

        console.log(conMess);

      } else {

        console.log('error');

      }

    } else if (command === 'ChangeAll') {

      conMess.split('').forEach(el => el === subsOrIndex ? conMess = conMess.replace(el, replacement) : false);

      console.log(conMess);

    }


  }



  console.log(`You have a new text message: ${conMess}`);

}


solve(

  [

    'heVVodar!gniV',

    'ChangeAll:|:V:|:l',

    'Reverse:|:!gnil',

    'InsertSpace:|:5',

    'Reveal'

  ]

);