Fitness Center JS

function fitnessCenter(input) {
    let visitors = Number(input[0]);

    let back = 0;
    let chest = 0;
    let legs = 0;
    let abs = 0;
    let proteinShake = 0;
    let proteinBar = 0;
    let workout = 0;
    let protein = 0;
    for (let i = 1; i <= visitors; i++) {
        let action = input[i];

        if (action === "Back") {
            back++;
            workout++;
        } else if (action === "Chest") {
            chest++;
            workout++;
        } else if (action === "Legs") {
            legs++;
            workout++;
        } else if (action === "Abs") {
            abs++;
            workout++;
        } else if (action === "Protein shake") {
            proteinShake++;
            protein++;
        } else if (action === "Protein bar") {
            proteinBar++;
            protein++;
        }
    }
    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(`${(workout / visitors * 100).toFixed(2)}% - work out`);
    console.log(`${(protein / visitors * 100).toFixed(2)}% - protein`);
}