//Architect
function solve(input) {
    let name = input.shift();
    let projectCount = Number(input.shift());
    let hoursNeeded = projectCount * 3;
    console.log(`The architect ${name} will need ${hoursNeeded} hours to complete ${projectCount} project/s.`);
}

//Petshop
function petshopExpenses(input) {
    let ourDogsExs = parseFloat(input.shift() * 2.50)
    let neighboursDogsExs = parseFloat(input.shift() * 4.00);
    let expenses = (ourDogsExs + neighboursDogsExs).toFixed(2);
    console.log(`${expenses} lv.`);
}
petshopExpenses( [
    '13',
    '9',
] )