Task: Program Execution
Input (English): 12, 21, ['g', 'e', 'T', '7231', 'P', '1853', 'k', '3359', 'L', '6047', 'A', '8187', '135', 'R', '7065', 'Y', 'j', '911', '7031', '6629', 'H', 'y', '4763']
Output (English): H66297031911jY7065R1358187