/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
 
double x,y,dx=0.001,dy=0.001,s=0.0;
for(x=-1.0;x<=1.0;x+=dx){
	for(y=-1.0;y<=1.0;y+=dy){
			if(x*x+y*y<1.0)s+=Math.exp(-x*x-y*y)*dx*dy;
	}
	}
System.out.println(Math.PI*(1.0-1.0/Math.E));
System.out.println(s);
	}
}

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