Task: Program Execution
Input (English): 14, 16, ['6135', '7705', '8703', '7689', 'K', 'Z', '8625', 'r', '741', '3281', 'f', '3531', 'x', 'd', '8861', 'R', 'q', '8307', '4599', 'G', '7493', '3021']
Output (English): R8861d