Task: Program Execution
Input (English): 8, ['1149', 'L', 'l', 'b', 'Z', '9563', 'B', '3331', '5409', '7641', 'd', 'K', '6651', 'e', 'c', 'z', 'R', '5201', 'N', '1433', '253', 'E', 'S', '2645', '5621']
Output (English): 1149, 5409, R, 5621