Task: Program Execution
Input (English): 4, 4, ['3927', '2407', '3733', 'j', 'm', '1539', '4253', 'C', 't', '3535', 'z', '4887', 'b', '8651', 's', 'h', '6727', 'w', 'b', '8309', 's', '5801', '3057', '7815']
Output (English): j