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

record MyPair(int total, long free) {}

// The main method must be in a class named "Main".
class Main {
    private static long SolveMe(int total, int free, Map<MyPair, Long> known) {
      if (total == 0 || free <= 1)
        return 1;

      MyPair pair = new MyPair(total, free);  

      if (known.containsKey(pair))
        return known.get(pair);

      long result = 0;

      for (int i = 0; i <= total; ++i)
        result += SolveMe(i, free - 1, known);

      known.put(pair, result);

      return result;
   }

   private static long SolveMe(int total, int free) {
       return SolveMe(total, free, new HashMap<MyPair, Long>());
   } 
    
   public static void main(String[] args) {
        long result = SolveMe(213, 6); 
        
        System.out.println(result);
   }
}