function solve(input) {
    let message = input.shift().split(" ");

    for (let iterator of input) {
        if(iterator === "Stop") {
            break;
        }
        let [command, element1, element2] = iterator.split(" ");
        if(command === "Delete") {
               let index = Number(element1);
                if(index >=0 && index <= message.length) {
                    message.splice(index+1, 1);
                }
            } else if (command === "Swap") {
                let indexOfWord1 = Number(message.indexOf(element1));
                let indexOfWord2 = Number(message.indexOf(element2));
                if(indexOfWord1 !== -1 && indexOfWord2 !== -1) {
                message[indexOfWord2] = element1;
                message[indexOfWord1] = element2;
                }
            } else if(command === "Put") {
                let word = element1;
                let index = Number(element2);
                index--;
                if(index >=0 && index <= message.length) {
                        message.splice(index,0,word)
                }
            } else if (command === "Sort") {
                message.sort().reverse()
            } else if (command === "Replace") {
                let word1 = element1;
                let word2 = element2;
                let indexOfWord2 = Number(message.indexOf(word2))
                if (indexOfWord2 >= 0 && indexOfWord2 < message.length) {
                    message[indexOfWord2] = word1;
                }
            }
        }   console.log(message.join(" "));

    }