Task: Program Execution
Input (English): 15, 24, ['7679', '1321', 'v', '9173', '605', 'b', 'G', 'N', '923', '853', 'z', '3693', '2405', '3521', 'a', '9087', '5073', '6843', '4213', 'C', '6763', '5717', '8871', 'u', '8621', 'j', '3663', '411']
Output (English): u178871753676C3124348637057809a