Task: Program Execution
Input (English): 1, 21, ['g', '7143', '4203', '5531', '7593', '2341', 'd', 'D', '1735', 'l', '487', '5849', 'a', 'p', '445', 'j', 'c', 'P', '9825', '6637', 'S', '3667', 'Y', 'F']
Output (English): S73665289Pcj544pa9485784l5371Dd14323957135530243417g