Task: Program Execution
Input (English): 1, 7, ['8887', 't', '6457', '4439', 'N', '9001', '1287', '4435', 'W', '8833', 'E', 'a', 'D', 'B', '6079', 'Y', '2609', '9123', 'i', '7693', 'g', 'i', '1813', 'h']
Output (English): 8887, 4435, 6079, i