Task: Program Execution
Input (English): 15, 28, ['G', 'F', '1819', '4909', '5973', 'g', '3461', 'A', 'U', 'E', 'c', '5331', '7885', 'W', 'a', '3017', 'C', '6061', 'z', 'U', '9809', '3061', 'F', 'D', 'r', '7447', '5071', '5909', 't', '9513']
Output (English): 590950717447rDF30619809Uz6061C3017a