Task: Program Execution
Input (English): 6, 8, ['Y', '7609', '2257', '693', '3107', 'S', 'G', '1373', 'l', '9137', '9215', '6105', 'x', '5549', '5683', 'G', '7667', 'k', 'O', '7081', 'B', 'S', '7693', 'm']
Output (English): 1373