Task: Program Execution
Input (English): 2, 2, ['N', '757', '173', '5489', 'E', '4311', '2697', 'l', '8481', '7411', '8785', '9957', 'r', '5293', '4047', 'F']
Output (English): 757, 5489, 4311, l, 7411, 9957, 5293, F