Task: Program Execution
Input (English): 19, 21, ['7071', '1997', '7973', '3761', '5925', '6785', 'b', 'b', '1733', '8155', '1117', '3', 'k', '1083', 'k', '9053', '2507', '9699', '7295', '3739', 'p', 'D', 'R', 'e']
Output (English): p93735927