#973. Ways to make change 1, 3, 4
You have as many 1, 3, 4 coins as you want. In how many ways can you make n? (The order does not matter.)
### Input
One integer n (0 ≤ n ≤ 500).
### Output
A number.
Examples
Input
427
Output
7740
Input
271
Output
3151
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.