Task: Program Execution
Input (English): 4, 17, ['p', 'W', 'J', '6005', 'W', 'J', '6031', 'f', 'd', '3143', 't', 'l', '6679', '9589', 'a', 'e', 'm', '3943', 'h', '4909', '6787']
Output (English): 6005WJ6031fd3143tl66799589aem