Petryk, Marichka, and Olenka have received their first grades in computer science. They decided that the one with the highest grade will be the winner.
They have asked Serhiy to determine the winner, but since he is busy, they need your help to solve this task.
The first line contains three integers , , (1 \leq p, m, o \leq 12) — representing the grades of Petryk, Marichka, and Olenka, respectively.
It is guaranteed that all grades are distinct.
Print «Petryk» if Petryk has the highest grade, «Marichka» if Marichka has the highest grade, or «Olenka» if Olenka has the highest grade.
Example 1
Example 2