/* 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
	{
		// your code goes here
 
int sum=0;
int sum1=0;
       for(int i=1;i<=4;i++)
        { 
          sum=i;
           for(int x=1;x<i;x++)
            {sum=sum*i;}
            sum1+=sum;
         }
System.out.print(sum1);
	}
}

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