import java.util.*;
class perfectsq
{
public static void main(String args[])
{
double s;
int a;
Scanner sg= new Scanner (System.in);
System.out.println("Enter a number");
a=sg.nextInt();//a=4
s=Math.sqrt(a);// 2
if(a==s*s)//if(4==2*2)
System.out.println("It is a Perfect square");
else
System.out.println("It is not a Perfect square");
}
}
class perfectsq
{
public static void main(String args[])
{
double s;
int a;
Scanner sg= new Scanner (System.in);
System.out.println("Enter a number");
a=sg.nextInt();//a=4
s=Math.sqrt(a);// 2
if(a==s*s)//if(4==2*2)
System.out.println("It is a Perfect square");
else
System.out.println("It is not a Perfect square");
}
}