Task: Program Execution
Input (English): 15, 18, ['633', 'p', '7687', 'R', 'D', '4223', '3135', '4753', '1553', 'j', 'T', '3837', 's', 'F', 'l', '9581', 'S', 'd', '3425', '1011', 'c', '4871', '2679']
Output (English): l, 9581, S, d