def solve(meal_cost, tip_percent, tax_percent):
    tip = tip_percent/100*meal_cost
    tax = tax_percent/100*meal_cost
    total = float(meal_cost + tip + tax)
    total = round(total)
    print(total)

if __name__ == '__main__':
    meal_cost = float(input())

    tip_percent = int(input())

    tax_percent = int(input())

    solve(meal_cost, tip_percent, tax_percent)

