Task: Program Execution
Input (English): 15, 17, ['p', 's', 'd', 'c', '7121', 'n', 'G', '4761', '6709', '5303', '9903', 'J', 'G', 's', '4287', '3989', 'm', '3913', 'P', '839', '1461', 'n']
Output (English): m, 3989, 4287