Task: Program Execution
Input (English): 13, 16, ['Y', '3879', 'M', 'b', '5957', 'Y', '5829', '3051', 'c', 'i', 'w', '3377', '6303', '4783', 'B', '3207', 'r', 'i', 'b']
Output (English): 3207, B, 4783, 6303