Fitness Center

function fitnessCenter(input) {
    let visitors = Number(input.shift());
    let back = 0;
    let chest = 0;
    let legs = 0;
    let abs = 0;
    let proteinShake = 0;
    let proteinBar = 0;

    for (let i = 0; i < visitors; i++) {
        let action = input.shift();

        switch (action) {
            case "Back":
                back++;
                break;
            case "Chest":
                chest++;
                break;
            case "Legs":
                legs++;
                break;
            case "Abs":
                abs++;
                break;
            case "Protein shake":
                proteinShake++;
                break;
            case "Protein bar":
                proteinBar++;
                break;
        }
    }

    console.log(`${back} - back`);
    console.log(`${chest} - chest`);
    console.log(`${legs} - legs`);
    console.log(`${abs} - abs`);
    console.log(`${proteinShake} - protein shake`);
    console.log(`${proteinBar} - protein bar`);
    console.log(`${((back + chest + legs + abs) / visitors * 100).toFixed(2)}% - work out`);
    console.log(`${((proteinShake + proteinBar) / visitors * 100).toFixed(2)}% - protein`);

}