Task: Program Execution
Input (English): 2, ['6669', '9771', 'y', '2679', '7153', 'F', '3369', '4171', '3653', 'A', '4205', 'L', 'p', 'E', 'J', 'Y', '5703', 'O', '9427', '9547', '2491', 'r']
Output (English): 6669, 9771