Task: Program Execution
Input (English): 3, 11, ['Y', 'c', 'z', 'A', 'c', 'G', 'b', 'M', '7935', 'Q', '9691', '7435', '8961', 'M', 'a', '7573', '7433', 'f', '4735', '2101', '4003', '7783', 's']
Output (English): z, M