Task: Program Execution
Input (English): 4, 7, ['P', 'u', 'N', '6115', '6999', 'M', 'F', 'k', '9751', 'v', '6537', '3999', 'M', '9615', '4121', 'B', 'v', '4291', 'l', 'V', '4271', '1847', '1279', '715', '941', 'R', 'g', 'M', 'W']
Output (English): 6115, 6537, 4291, 941