numDealers = int(input('Enter the number of dealers.'))
index=0
array = index
name = [0]*array
sales = [0]*array
comm = [0]*array
x = 1

while x <= numDealers:
    for index in range(0,array):
        name[index] = int(input('Enter the dealer name.'))
        sales[index] = int(input('Enter the dealer sales.'))
        for index in range(0,array):
            if sales[index] < 0:
                print('Amount cannot be negative. Try again.')
    x=x+1

array=index
for index in range(0,array):
    if sales[index] >= 1 and sales[index] <= 5000:
        comm[index] = (sales[index]* 0.05)
    if sales[index] >= 5000 and sales[index] <= 15000:
        comm[index] = (sales[index]* 0.10)
    if sales[index] >= 15000:
        comm[index] = (sales[index]* 0.12)


print(sales[index])
print(comm[index])
print(name[index])

search = print(input('What is a dealer name?'))
if search != (name[index]):
    print('Error')
else print(sales[index]) and print(comm[index])