Task: Program Execution
Input (English): 20, 29, ['8173', '6645', '2877', '3157', 'C', 'H', '1429', 's', 'Q', '2107', 'w', 's', '6377', '4659', '7003', 'm', '7931', 'D', '9691', '8707', 'o', 'm', '3757', 'x', 'v', '7979', 'W', '2925', 'R']
Output (English): R5292W9797vx7573mo7078