function solve(input = []){

    let squad = input.shift().split(` `);

    for(let i = 0; i < input.length; i++){

        let [command, name, index] = input[i].split(` `);
        let subCommand = name;

        switch(command){
            case `Join`: join(name); break;
            case `Jump`: jump(name, index); break;
            case `Dive`: dive(index); break;
            case `First`: first(subCommand); break;
            case `Last`: last(subCommand); break;
            case `Print`: print(subCommand); break;
        }
    }

    function join(frog){
        squad.push(frog);
    }

    function jump(frog, index){
        squad.splice(index, 0, frog);
    }

    function dive(index){
        const isThereFromOnThatIndex = squad[index] !== undefined;

        if(isThereFromOnThatIndex){
            squad.splice(index,1)
        }
    }

    function first(subCommand){
        if(subCommand > squad.length){
            console.log(squad.join(` `));
        }
        else{
            let firsts = squad.filter((i, index) => (index < subCommand))
            console.log(firsts.join(` `));
        }
    }
    function last(subCommand){
        if(subCommand > squad.length){
            console.log(squad.join(` `));
        }
        else{
            console.log(squad.slice(Math.max(squad.length - subCommand, 0)));
        }
    }

    function print(subCommand){
        if(subCommand === `Normal`){
            console.log(`Frogs: ${squad.join(` `)}`);
        }
        else if(subCommand === `Reversed`){
            let reversed = squad.reverse()
            console.log(`Frogs: ${reversed.join(` `)}`);
        }

    }
}

solve([`Blake Muggy Kishko`,
`Join Kvachko`,
`Dive 0`,
`First 10`,
`Print Reversed`
])