import java.math.*;
public class numberfun {
	public static void main(String[] args){
		System.out.println(pi());
		System.out.println(euler());
	}
	public static double pi(){
		double sum=0;
		for (double i=1, pos=1;pos<=1000;pos++,i+=2){
			sum=pos%2==1?sum+4/i:sum-4/i;
		}
		return sum;
	}
	public static double euler(){
		double sum=0;
		for (double i=0;i<=170;i++){
			sum+=(1.0/factorial(i));
		}
		return sum;
	}
	public static double factorial(double n){
		double prod=1;
		for (int i=2;i<=n;i++){
			prod*=i;
		}
		return prod;
	}
}