import java.util.*;
import java.lang.*;

public class  Expq {
  public static void main(String[] args) {
    double x,s,t;
    int i,k,n;
    Scanner scanner = new Scanner(System.in);
    System.out.print("n: ");
    n  = scanner.nextInt();
    System.out.print("x: ");
    x  = scanner.nextDouble();
    s=1; t=1;
    for (k=1; k<=n; ++k) {
      t = x*x*t/k;
      s = s+t;
    }
    System.out.printf("x=%.4f  s= %.15f  exp(x^2)=%.15f%n",
                    x, s, Math.exp(x*x));
  }
}