C program to create a linked list and Insert an element after a particular element. If there are more than one similar elements in the linked list, add the element after the first occurrence.

Sample Input/Output Input: 17 42 16 18 39 -999

16 87

Output 17 42 16 87 18 39

We need to take care of the case when the element after which we want to insert a new element if NOT PRESENT in the list.

Sample Input:

17 42 64 -999

53 75

Output:

Element not found

(as 53 is not present in the list)