function getMoneySpent(keyboards, drives, b) {
    if(Math.min(...keyboards)+Math.min(...drives) > b){
        return -1
    }
    
    const inBudget = [];
    
    for(let i = 0; i < keyboards.length; i++){
        for(let j = 0; j < drives.length; j++){
            const sum = keyboards[i]+drives[j];
            
            if(sum <= b){
                inBudget.push(sum);
            }
        }
    }
    
    return Math.max(...inBudget);
}