def solve(meal_cost, tip_percent, tax_percent):

tip = (meal_cost/100)* tip_percent
tax = (tax_percent/100)* meal_cost
total_cost = round(meal_cost+tip+tax)
print(total_cost)

if name == 'main': meal_cost = float(input().strip())

tip_percent = int(input().strip())

tax_percent = int(input().strip())

solve(meal_cost, tip_percent, tax_percent)