/* 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
	{
		int x= 3;
		double product=1,sum=0;
		for(int i=1;i<=x;i++)
		{
		    product*=i;
		    sum+=1.0/product;
		    System.out.print("1/" + product);
 
		    if(i == x){
		        System.out.print(" = " + sum);
		    }
		    else {
		        System.out.print(" + ");
		    }
		}
	}
}

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