import java.util.*;
public class Tim_so_chinh_phuong {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc=new Scanner(System.in);
		float a=sc.nextFloat();
		float t=(float)Math.sqrt(a);
		System.out.println(t);
		if(t==a){
			System.out.println("so chinh puong");
			
		}else {
			System.out.println("no");
		}
			
	}

}
