Ghost leg is a well-known method used to get random results. This mechanism has the effect of changing the order in the list.

Examples:

assert follow_ghost_legs(3, [(1, 2), (2, 3), (1, 2)]) == [3, 2, 1]
assert follow_ghost_legs(4, [(2, 3), (1, 2), (2, 3), (3, 4)]) == [3, 2, 4, 1]
assert follow_ghost_legs(5, [(3, 4), (4, 5), (3, 4), (2, 3), (3, 4)]) == [1, 5, 4, 2, 3]
assert follow_ghost_legs(6, [(1, 2), (2, 3), (3, 4), (4, 5), (5, 6)]) == [ 2, 3, 4, 5, 6, 1]

You are given the number of vertical lines and a list of legs as input values.

• If the number of vertical lines is 3, then the starting points are 1, 2, and 3 respectively.
• The leg is a tuple of two integers, which represent the two vertical lines connected by the leg. (The leg always connects adjacent vertical line).
• The order of legs represents the level at which they are placed (first leg is the top, and last leg is the bottom).

Follow the ghost legs and return a list of converted numbers.

Input: The number of vertical lines and a list of legs (an integer and a list of tuple of two integers).

Output: A list of converted numbers (a list of integers).