Task: Program Execution
Input (English): 15, 15, ['2375', '9041', 't', 'N', 'A', 't', '4125', '7939', '8789', '9403', 'q', 'P', '1777', '4423', '7981', '837', '779', '3741', 'c', '8923', '5181', '8579', 'j', '5661', 'f', '7703']
Output (English): 7981