Task: Program Execution
Input (English): 4, 9, ['773', '7927', '6951', 'W', '6777', 'S', 'N', '2027', 's', '3339', '2937', 's', '4435', '4545', 'y', '3275', 'x', '663', '2799', '3061', '1311', '2713', 's', 'r', '603', '837', '9213', '2041']
Output (English): W, 6777, S, N, 2027, s