A fuel station has infinite amount of each of kinds of fuel. Each kind of fuel has density , cost and intensity . kilograms of such fuel has volume , intensity and costs dollars. Your car can store any mixture of different kinds of fuel such that the overall volume does not exceed . You have dollars. Your task is to determine the maximal overall intensity of the fuel you can buy. Note that you can buy any nonnegative amount of any kind of fuel, not necessarily an integer number of kilograms.
输入格式
The first line of the input contains three integers .Each of the next lines describes one kind of fuel. line contains three integers .
