def eat_out():
    base_cost = int(input("base_cost:"))
    tip_amount = input("tip type:")
    if tip_amount == "traditional":
        full_cost = (base_cost + (base_cost * .15) + base_cost * .06)
    elif tip_amount == "regular":
        full_cost = (base_cost + (base_cost * .18) + base_cost * .06)
    elif tip_amount == "generous":
        full_cost = (base_cost + (base_cost * .2) + base_cost * .06)
        print(full_cost)


print(eat_out())