Task: Program Execution
Input (English): 6, 20, ['W', '6757', '409', 'A', '763', '2875', '6447', '6617', '8919', '8987', '2301', '7977', '781', '9509', 'v', '8299', 'z', '7865', '9583', '4857']
Output (English): 485795837865z8299v95097817977230189878919661764472875