Java programming

Who could help me to solve that, couldn't figure it out. Thanks in advance.The shop sell 5 things with the price below:

1.6$

2.8$

3.12$

4.3$

5.9$

Input the order number and count the sum of products. if print -1 stop the execution.Ex: Input 1 2 4 5 -1 Output 26. Need to use switch