# A square from squares

Very easy

Execution time limit is 1 second

Runtime memory usage limit is 122.174 megabytes

Find the integer side length of the largest square, that can be obtained from three squares with sides a, b and c, cutting them into rectangles and then putting together to form a square.

## Input

Three positive integers a, b and c, not greater than 1000.

## Output

Print the integer side length of the largest square.

## Examples

Input #1

Answer #1

Submissions 2K

Acceptance rate 49%