Task: Program Execution
Input (English): 16, 21, ['H', '9769', '5159', '7841', '8305', '5717', 'u', '6919', '3651', 'T', 'F', 'P', 'Y', '2493', '7403', 'f', 'M', '8911', 'u', 'r', 'w', '5473']
Output (English): wru1198Mf