Task: Program Execution
Input (English): 12, 17, ['W', '359', '4431', '7737', 'Y', 'X', '4581', 'r', '3797', '31', '6759', '1321', '1907', '2663', '2833', '7953', 'u', 'v', '3427', '3199', '3641', '311', 'l', 'n', 'r', 'h']
Output (English): 1321, 1907, 2663, 2833, 7953, u