//nhLimit.java
// ABS(n/(n+1)-1)
// ABS((2n-1)/(n+1)-2)


import java.awt.*;
import javax.swing.*;
import java.text.*;


public class nhLimit  {   

    public static void main (String[] args) {
        int maxN;
        double x;
        String input;
        DecimalFormat d6 = new DecimalFormat ("0.000000");
         
        input = JOptionPane.showInputDialog("Max n intger","1000");
        maxN = Integer.parseInt(input);
 
        
        for (int i=1; i<=maxN; i++) {  
	    x = Math.abs(i / (i+1.0) - 1);
  	    System.out.print(" "+d6.format(x));
  	    
	    x = Math.abs((2.0*i - 1) / (i+1) - 2);
  	    System.out.println(" "+d6.format(x)); 
        }
        
 
  }
    
}