Some molecules consist of 4 groups arranged in a rectangle. Let's call them rectangular molecules.
Each of the 4 groups has a different weight. If the two heaviest groups are at opposite corners of the rectangle, the molecule is a trans (Latin for "the other side of") molecule; otherwise, it is a cis (Latin for "this side of") molecule.
Given the weights of each of the 4 groups of a rectangular molecule, please determine if it is a trans or cis molecule.
Four distinct space-separated integers between ~1~ and ~1\,000~ inclusive, the weights of the groups at the four corners of the molecule in clockwise order.
trans if the molecule is a trans molecule or
cis if it is a cis molecule.
Sample Input 1
3 1 4 2
Sample Output 1
Sample Input 2
8 23 5 7
Sample Output 2