AMO · 2027 · Grades 6-7 · Self-study SET 31 Question 5

The figure is formed by overlapping three rectangles measuring 2 cm by 6 cm. An ant completes one trip around its perimeter, moving at 1 cm/s on horizontal segments and 2 cm/s on vertical segments. How many seconds does the trip take?



**Input:** Enter the integer only, without units.