Problems
Product
Product
Peter and Vasyl prepared for the certification by topic: "Multiplication". Peter asked a product of all positive integers from a to b, and Vasyl answered. Help to Vasyl to find a and b. if you have some solution, give that answer which have the least a.
Input data
One number — product of integers from a to b~(1 < a \le b \le 10000).
Output data
Print two numbers a and b.
Examples
Input example #1
60
Output example #1
3 5