Task: Program Execution
Input (English): 7, 20, ['f', '1473', 'c', 'O', '7079', '9475', '3375', '5013', 'x', 'p', '3351', '4041', '8831', '7937', 'a', 'M', '3005', 'm', 'W', '4009', 'b', 'V', '6287', 'M', '7103', 'b']
Output (English): 33755013xp3351404188317937aM3005mW4009