Task: Program Execution
Input (English): 12, 12, ['X', '8385', '5027', 'D', 'm', '7153', 'x', 'j', 'N', 't', 'z', '781', '5337', 'i', '561', '5005', 'J', '9605', '7953', '1149', '8283']
Output (English): 781