2500: AtCoder167 B-Easy Linear Program

Memory Limit：128 MB Time Limit：1.000 S
Judge Style：Text Compare Creator：
Submit：5 Solved：4

Description


Input

A B C K

Output

Print the maximum possible sum of the numbers written on the cards chosen.

Sample Input Copy 

2 1 1 3

Sample Output Copy 

2

Source/Category

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