function fuelTank1(input) {

    let fuelType = input[0];
    let fuelLitres = Number(input[1]);

    switch (fuelType) {
        case "Diesel":
            if (fuelLitres >= 25) {
                console.log("You have enough diesel!");
            } else {
                console.log("Fill your tank with diesel!");
            }
            break;
        case "Gasoline":
            if (fuelLitres >= 25) {
                console.log("You have enough gasoline.");
            } else {
                console.log("Fill your tank with gasoline.");
            }
            break;
        case "Gas":
            if (fuelLitres >= 25) {
                console.log("You have enough gas.");
            } else {
                console.log("Fill your tank with gas.");
            }
            break;
        default:
            console.log("Invalid fuel!");
    }
}