01

function solve(input) {
  let password = input.shift();
  let line = input.shift();
  while (line !== "Done") {
    let [command, index, length] = line.split(" ");
    switch (command) {
      case "TakeOdd":
        oldPassword = password;
        password = "";
        for (let i = 1; i < oldPassword.length; i++) {
          let oddCh = oldPassword[i];
          if (i % 2 !== 0) {
            password += oddCh;
          }
        }
        console.log(password);
        break;
      case "Cut":
        let chToCut = password.substr(index, length);
        password = password.replace(chToCut, "");
        console.log(password);
        break;
      case "Substitute":
        if (password.includes(index)) {
          while (password.includes(index)) {
            password = password.replace(index, length);
          }
          console.log(password);
        } else {
          console.log(`Nothing to replace!`);
        }
        break;
    }
    line = input.shift();
  }
  console.log(`Your password is: ${password}`);
}

solve([
  "up8rgoyg3r1atmlmpiunagt!-irs7!1fgulnnnqy",
  "TakeOdd",
  "Cut 18 2",
  "Substitute ! ***",
  "Substitute ? .!.",
  "Done",
]);