function printArray(n) {
  let m = [];
  for (i=0; i<n.length; i++) {
    let arg = n[i].split(" ");
    let cmd = arg[0];
    let number = arg[1];
    if (cmd=="add")
      m.push(number);
    if (cmd=="remove" && number>-1 && number < m.length)
      m.splice(number,1);
  }
  for (i=0; i<m.length; i++)
    console.log(m[i]);
}