Known to a factory has five warehouse (warehouse label, the name of the warehouse, head), used to hold the 10 products (product number, product name, product specification), any kind of product can be stored in the five warehouses, write a program to complete the following functions:
1) can import the product from the specified file storage information, the format is as follows:
Warehouse number, product number, storage time and storage quantity
2) can be input from the keyboard product warehousing information;
3) from the keyboard input the delivery of cargo from storage products information;
4) according to the product number, warehousing date modified storage quantity;
5) according to the product number, warehousing date delete library records;
6) the query specified product number put in storage record;