Problems

# Product

# Product

Peter and Vasyl prepared for the certification by topic: "Multiplication". Peter asked a product of all natural numbers 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**

One number, product of numbers. **1** < **A** ≤ **B** ≤ **10000**.

**Output**

In one line we have two numbers **A** and **B**, which wrote through gap.

Input example #1

60

Output example #1

3 5