Task: Program Execution
Input (English): 5, 6, ['6947', '1131', '3091', '6973', 'y', '7807', '8921', 'D', '1263', 'm', '5007', 'R', 'o', 'S', 'p', 'q', '5333', '8027', '7911', '4753']
Output (English): 7807