Task: Program Execution
Input (English): 7, 9, ['7549', 'z', '4845', 'P', '9073', '921', 'z', '3551', '1099', '7913', '3309', '3179', 'R', 'y', 'K', '1075', 'N', 'R', 'R', 'R']
Output (English): 10993551z