Suppose that a client performs an intermixed sequence of $($stack$)$ push and pop

operations.

$$ the push operations add the integers $0$ through $9$ in order onto the stack.

$$ the pop operations remove the integers from the stack and print out the return values.

Given the following output sequences, answer YES, if the sequence could occur, answer NO

if the sequence could not occur.

Sequence Yes$/$No

$4321098765$

$4687532901$

$1234569870$

$1479865302$

$2143658790$