from decimal import Decimal


def run(filename: str) -> Decimal:
    with open(filename, 'r') as lines:
        total = Decimal(0.0)
        _, count, price = lines.readline().split()
        count = Decimal(count)
        price = Decimal(price)
        total += count * price
    return total


if __name__ == '__main__':
    filename = 'Data/portfolio.dat'
    value = run(filename)
    print(f"value = {value}")