{}
# Online Python compiler (interpreter) to run Python online.
# Write Python 3 code in this online editor and run it.
print("Try programiz.pro")
base_client = []
client_1 = ["Samy", 32, 1000.00, False]
client_2 = ["Adam", 37, 2000.01, False]
client_3 = ["djibril", 17, 300.19, True]
client_4 = ["Biko", 30, 5000.50, False]
base_client.append(client_1)
base_client.append(client_2)
base_client.append(client_3)
base_client.append(client_4)
for client in base_client:
if(client[1] >= 18)and(client[3] == False):
client[2] += 500.00
print(client)