function theImitationGame(input) {

    let encryptedMessage = input.shift();

    for (let line of input) {
        let tokens = line.split("|");
        let command = tokens.shift()
        let index1 = tokens[0];
        let index2 = tokens[1];
        while (command !== "Decode") {
            if (command === "ChangeAll") {
                while (encryptedMessage.includes(index1)) {
                    encryptedMessage = encryptedMessage.replace(index1, index2);
                }

            } else if (command === "Insert") {
                encryptedMessage = encryptedMessage.concat(index1, index2);
            }
        }


    }

}