Task: Program Execution
Input (English): 4, ['c', 'U', '1749', 'y', 'M', 'x', '8619', '5487', '9141', 'P', 'X', '15', 'V', 's', 'Z', '5681', '3639', 'D', '6733', 'A', '4109']
Output (English): c, M, 9141, V, 3639, 4109