let x = 0;
  let y = 0;
  let question = prompt("How many time do you want to see the message?");
  question = Number(question);
  for(let a = 0; a < question; a++){
    console.log("My message #"+(a+1));
  }

  /*
  while (x < 10){
    console.log("currently x is = "+x);
    x++;
  }

  do{
    console.log("currently y is = "+y);
    y++;
  }
  while(y < 10);

  for(let z = 0;z < 10;z++){
    console.log("currently z is = "+z);
  }
*/