import math

def main():
    price_tax_ratio = input()
    price_tax_ratio_list = price_tax_ratio.split(" ")
    price = int(price_tax_ratio_list[0])
    tax_ratio = int(price_tax_ratio_list[1])
    price1 = price * (100 + tax_ratio)
    price2 = price1 //100
    print(price2)


if __name__ == '__main__':
    main()