hi,

can anyone please tell me what test cases meant?

Ques. Link-CodeChef: Practical coding for everyone

```
3 4 2
15 21
5 10
7 25
4 14 25 2
13 21
```

suppose, if i check for every case, then for 15 and 21, i will take 14 from X and 21 from Y.

2nd- for 5 and 10, i will take 4 from X, and 13 from Y.

3rd- for 7 and 25, i will take 4 from X, and which one should i take from Y?

and suppose there is another one also, suppose for 3 and 25, then? and for 3 and 20?

plz help.