Write one program with all the following functionality. Store the values {1, 4, 5, 6, 7, 8, 9, 10} in a stack called stack1 by pushing each integer separately. Perform the following operations a) Pop the first 3 elements of the stack b) Push 5 onto the stack c) Push 6 onto the stack d) Print the size of the stack e) Peek at the item at the top of the stack. f) Pop all elements from the stack and print the sum of the popped elements.

PS: DO NOT USE FUNCTIONS