Problem:
 Score : 300 points    Problem Statement To make it difficult to withdraw money, a certain bank allows its customers to withdraw only one of the following amounts in one operation:    1 yen (the currency of Japan)    6 yen, 6^2(=36) yen, 6^3(=216) yen, ...    9 yen, 9^2(=81) yen, 9^3(=729) yen, ...    At least how many operations are required to withdraw exactly N yen in total?  It is not allowed to re-deposit the money you withdrew.      Constraints  1 \leq N \leq 100000  N is an integer.         Input Input is given from Standard Input in the following format:  N       Output If at least x operations are required to withdraw exactly N yen in total, print x .        Sample Input 1 127      Sample Output 1 4  By withdrawing 1 yen, 9 yen, 36(=6^2) yen and 81(=9^2) yen, we can withdraw 127 yen in four operations.       Sample Input 2 3      Sample Output 2 3  By withdrawing 1 yen three times, we can withdraw 3 yen in three operations.       Sample Input 3 44852      Sample Output 3 16

Solution (Python):
print([0,1,2,3,4,5,1,2,3,1,2,3,2,3,4,2,3,4,2,3,4,3,4,5,3,4,5,3,4,5,4,5,6,4,5,6,1,2,3,4,5,6,2,3,4,2,3,4,3,4,5,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,2,3,4,5,6,7,3,4,5,1,2,3,4,5,6,2,3,4,2,3,4,3,4,5,3,4,5,3,4,5,4,5,6,4,5,6,3,4,5,5,6,7,4,5,6,2,3,4,5,6,7,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,4,5,6,6,7,8,5,6,7,3,4,5,6,7,8,4,5,6,2,3,4,5,6,7,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,4,5,6,6,7,8,5,6,7,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,1,2,3,4,5,6,2,3,4,2,3,4,3,4,5,3,4,5,3,4,5,4,5,6,4,5,6,3,4,5,5,6,7,4,5,6,2,3,4,5,6,7,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,4,5,6,6,7,8,5,6,7,3,4,5,6,7,8,4,5,6,2,3,4,5,6,7,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,4,5,6,6,7,8,5,6,7,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,2,3,4,5,6,7,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,4,5,6,6,7,8,5,6,7,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,6,7,8,8,9,10,7,8,9,5,6,7,8,9,10,6,7,8,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,6,7,8,8,9,10,7,8,9,5,6,7,8,9,10,6,7,8,6,7,8,7,8,9,7,8,9,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,6,7,8,8,9,10,7,8,9,5,6,7,8,9,10,6,7,8,1,2,3,4,5,6,2,3,4,2,3,4,3,4,5,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,2,3,4,5,6,7,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,3,4,5,6,7,8,4,5,6,2,3,4,5,6,7,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,4,5,6,6,7,8,5,6,7,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,4,5,6,6,7,8,5,6,7,5,6,7,6,7,8,6,7,8,4,5,6,7,8,9,5,6,7,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,2,3,4,5,6,7,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,4,5,6,6,7,8,5,6,7,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,6,7,8,7,8,9,7,8,9,5,6,7,8,9,10,6,7,8,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,6,7,8,8,9,10,7,8,9,5,6,7,8,9,10,6,7,8,6,7,8,7,8,9,7,8,9,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,6,7,8,8,9,10,7,8,9,5,6,7,8,9,10,6,7,8,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,6,7,8,8,9,10,7,8,9,5,6,7,8,9,10,6,7,8,6,7,8,7,8,9,7,8,9,1,2,3,4,5,6,2,3,4,2,3,4,3,4,5,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,2,3,4,5,6,7,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,3,4,5,6,7,8,4,5,6,2,3,4,5,6,7,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,4,5,6,6,7,8,5,6,7,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,2,3,4,5,6,7,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,2,3,4,5,6,7,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,3,4,5,6,7,8,4,5,6,3,4,5,5,6,7,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,4,5,6,7,8,9,5,6,7,4,5,6,6,7,8,5,6,7,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,4,5,6,7,8,9,5,6,7,4,5,6,6,7,8,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,5,6,7,8,9,10,6,7,8,5,6,7,7,8,9,6,7,8,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,4,5,6,7,8,9,5,6,7,4,5,6,6,7,8,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,5,6,7,8,9,10,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,5,6,7,8,9,10,6,7,8,5,6,7,7,8,9,6,7,8,6,7,8,7,8,9,7,8,9,7,8,9,8,9,10,8,9,10,6,7,8,9,10,11,7,8,9,6,7,8,8,9,10,7,8,9,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,6,7,8,8,9,10,7,8,9,5,6,7,8,9,10,6,7,8,6,7,8,7,8,9,7,8,9,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,5,6,7,8,9,10,6,7,8,5,6,7,7,8,9,6,7,8,6,7,8,7,8,9,7,8,9,7,8,9,8,9,10,8,9,10,6,7,8,9,10,11,7,8,9,6,7,8,8,9,10,7,8,9,2,3,4,5,6,7,3,4,5,3,4,5,4,5,6,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,4,5,6,7,8,9,5,6,7,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,5,6,7,7,8,9,6,7,8,6,7,8,7,8,9,7,8,9,5,6,7,8,9,10,6,7,8,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,3,4,5,6,7,8,4,5,6,4,5,6,5,6,7,5,6,7,5,6,7,6,7,8,6,7,8,4,5,6,7,8,9,5,6,7,4,5,6,6,7,8,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,5,6,7,8,9,10,6,7,8,5,6,7,7,8,9,6,7,8,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,5,6,7,8,9,10,6,7,8,5,6,7,7,8,9,6,7,8,6,7,8,7,8,9,7,8,9,6,7,8,8,9,10,7,8,9,6,7,8,8,9,10,7,8,9,6,7,8,8,9,10,7,8,9,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,7,8,9,7,8,9,6,7,8,8,9,10,7,8,9,5,6,7,8,9,10,6,7,8,6,7,8,7,8,9,7,8,9,4,5,6,7,8,9,5,6,7,5,6,7,6,7,8,6,7,8,6,7,8,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