function solve(input) {

    let message = input.shift();
    let commands = input.slice(0);

for (let iterator of commands) {
    if(iterator === "Reveal") {
        console.log(`You have a new text message: ${message}`);
        break;

    }
    else if(iterator.includes("InsertSpace")) {
        let [insert, index] = iterator.split(":|:");
        index = Number(index);
        message = message.split("");
        message.splice(index,0," ")
        message = message.join("");
        console.log(message);
    } else if (iterator.includes("Reverse")) {
        let [reverse, sub] = iterator.split(":|:");
        if(message.includes(sub)) {
            let reversed = sub.split("").reverse().join("");
            let subIndex = message.indexOf(sub)
            message = message.split("")
            message.splice(subIndex, sub.length);
            message.push(reversed)
            message = message.join("")
            console.log(message);

        } else {
            console.log('error');

        }
    } else if (iterator.includes("ChangeAll")) {
        let [change, substring, replacement] = iterator.split(":|:");
        if(message.includes(substring)) {
        message = message.split("");
        message = message.map(el => el.replace(substring, replacement));
        message = message.join("");
        console.log(message);
        }

    }

}

}