Task: Program Execution
Input (English): 6, ['7141', '6587', 'U', '1639', '8469', 'X', 'M', '8675', 'k', '4531', 'o', 'i', '3681', 'u', '8957']
Output (English): 7141, 6587, U, 1639, 8469, X, M, 8675, k