Task: Program Execution
Input (English): 8, 20, ['q', 'D', 'F', 'O', 'M', 'C', '8917', '3865', '1961', '445', '2975', '7133', '1783', '6769', '847', 'h', '9621', 'U', 'c', 'v', '7757', 'E']
Output (English): vcU1269h748967638713317579254416915683