function solve(input) {
    let quests = input.shift().split(', ');
    let startCheck = 0;
    for (let i = 0; i < input.length; i++) {

        let command = input[i].split(' - ');
        if (command[0] === 'Start') {
            for(let b = 0; b< quests.length; b++){
                if (command[1] === quests[b]){
                    startCheck = 0;
                    continue;
                }else{
                    startCheck = 1;
                }
            }
            if(startCheck === 1){
                quests.push(command[1])
            }
        }else if(command[0] === 'Complete'){
            let check = quests.indexOf(command[1])
            if(check !== -1){
                quests.splice(check, 1)
            }
        }else if(command[0] === 'Side Quest'){
            let commandTwo = command[1].split(`:`)
            let sideQuestCheck = quests.indexOf(commandTwo[0]);
            if(sideQuestCheck !== -1){
                let sideQuestSecondCheck = quests.indexOf(commandTwo[1])
                if(sideQuestSecondCheck === -1){
                    quests.splice(sideQuestCheck+1,0,commandTwo[1])
                }
            }

        }else{
            let renewCheck = quests.indexOf(command[1])
            if(renewCheck !== -1){
                let p = quests.splice(renewCheck, 1)
                quests.push(p[0])
            }
        }
    }
    console.log(quests.join(`, `))
}