Task: Program Execution
Input (English): 15, 22, ['1389', '1573', 'X', 'D', '7329', 'T', '781', 'O', '8067', 'E', 'a', '4999', '7521', 'g', 'z', '8907', '8143', '9593', '5779', 'g', '403', '7875']
Output (English): 5787304g9775395934187098z