Perfect Squares

Input file: squares.in
Output file: squares.out

The Problem

A perfect square is a number whose square root is an integer. Given a perfect square of 70 or fewer digits, calculate its square root.

Input

A file squares.in containing perfect squares, one perfect square to a line, each number containing 70 or fewer digits

Output

A file squares.out containing the roots of the perfect squares, one root per output line, with leading zeroes suppressed.

Sample Input:

100
126736

Sample Output:

10
356