Task: Program Execution
Input (English): 16, 21, ['H', '6189', 'd', 'I', 'Y', 'F', '5745', 'W', '5433', 'v', 'e', '1839', '5845', '6683', '4889', 'A', 'j', '5105', 'Q', '8419', 'X', 'E', 'Y', 'b', '8267']
Output (English): A, j, 5105, Q, 8419, X