Task: Program Execution
Input (English): 5, ['3189', 'c', 'Z', '6891', 'M', 'I', '5595', 'y', '2271', '3323', 'U', '1707', 'o', 'y', '275', 'Z', '3647', 'x', '1929', '7861', '1843']
Output (English): 3189, c, Z, 6891, M