1> Find out whether the knots are greater than 12 or not. Store it in a variable called 'Knots'.
2> If 'Knots' is greater than 12 knots,
3> If 'Knots' is less than 12 knots,
Marry can land safely at Courtenay Airport.
4>If 'Knots' is greater then 12 knots, Marry can land at Smits airport.