function solve(input) {

    let ourSum = Number(input[0]);
    let gender = input[1];
    let age = Number(input[2]);
    let sport = input[3];

    let sum = 0;
    let sum2 = 0;


    if (gender === 'm') {

    if (sport === 'Gym') {

        sum = sum + 42;

    } else if (sport === 'Boxing') {

        sum = sum + 41;

    } else if (sport === 'Yoga') {

        sum = sum + 45;

    } else if (sport === 'Zumba') {

        sum = sum + 34;

    } else if (sport === 'Dances') {

        sum = sum + 51;

    } else if (sport === 'Pilates') {

        sum = sum + 39;

    }

    } else if (gender === 'f') {

        if (sport === 'Gym') {

            sum = sum + 35;

        } else if (sport === 'Boxing') {

            sum = sum + 37;

        } else if (sport === 'Yoga') {

            sum = sum + 42;

        } else if (sport === 'Zumba') {

            sum = sum + 31;

        } else if (sport === 'Dances') {

            sum = sum + 53;

        } else if (sport === 'Pilates') {

            sum = sum + 37;

        }


    }


if (age <= 19){

sum = sum - (sum * (20 / 100));


}


if (ourSum >= sum) {

    console.log(`You purchased a 1 month pass for ${sport}.`)

} else {

    sum2 = ourSum - sum;
    sum2 = Math.abs(sum2);

    console.log(`You don't have enough money! You need $${sum2.toFixed(2)} more.`)

}







}