shortest (EE)

Given a square S, output the square-root of S.

Input

The first and only line will contain an integer S (1 ≤ S ≤ 3.14159265 * 10100).

Output

On the first and only line write the integer √S.

Sample Input 1

121

Sample Output 1

11

Submitting .cpp to 'shortest'


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Compile Errors 


							

					
						

					

			

			
			
			

				

					
					

						

							 Time Limit:  1 Seconds 

							 Memory Limit:  1024MB 

							
							 No. of ACs:  1 

							
							 Your best score: 

                                                        
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							 Source: 
							
								
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