/** Simple program to time compilers.

@author Stephen Lepp
@version 1.0 6/19/03
Copyright Stephen Lepp
*/


public class Sum1{

  public static void main(String argv[]) {
    double x=0;
    for (int j=1;j<150;j++){
    for (int i=1;i<10000000;i++){
      x=x+1./(j*i);
    }
    System.out.println(x);
   }
  }
}