function pirates(input){
    let cities=input.splice(0,input.indexOf("Sail"));
    let actions=input.splice(1,input.indexOf("End")-1);
    let obj={};
    for (let city of cities) {
        let [name,population,gold]=city.split("||")
        population=Number(population);
        gold=Number(gold);

        if(!obj.hasOwnProperty(name)){
            obj[name]={population,gold};
        }else {
            obj[name].population+=population;
            obj[name].gold+=gold
        }

    }
    for (let action of actions) {
        let [command,townName,valueOne,valueTwo]=action.split("=>");


        switch(command){

         case "Plunder":


             obj[townName].populaton-=Number(valueOne);


             obj[townName].gold-=Number(valueTwo);
             console.log(`${townName} plundered! ${valueTwo} gold stolen, ${valueOne} citizens killed.`)


             if(obj[townName].population<=0 || obj[townName].gold<=0){
                 console.log(`${townName} has been wiped off the map!`)
                 delete obj[townName];
             }



             break;

         case "Prosper":

                if(valueOne<0){
                    console.log(`Gold added cannot be a negative number!`);
                }else {
                    obj[townName].gold+=Number(valueOne);
                    console.log(`${valueOne} gold added to the city treasury. ${townName} now has ${obj[townName].gold} gold.`)
                }

                break;

        }

    }
    let townNameSort=Object.entries(obj).sort((a,b)=>a[0].localeCompare(b[0]));
    let goldSort=townNameSort.sort((a,b)=>b[1].gold-a[1].gold);
    if(Object.keys(goldSort).length>0){
        console.log(`Ahoy, Captain! There are ${Object.keys(goldSort).length} wealthy settlements to go to:`)
    }else {
        console.log(`Ahoy, Captain! All targets have been plundered and destroyed!`)
    }


    for(let kvp of goldSort){
        console.log(`${kvp[0]} -> Population: ${kvp[1].population} citizens, Gold: ${kvp[1].gold} kg`)



    }




}