Task: Program Execution
Input (English): 10, 11, ['6633', '4829', 'e', 'c', '5677', 'N', 'R', '6957', '4943', 'f', '8453', '6013', 'c', '1763', 'D', 'O', 'c', '3211', 'd']
Output (English): f8453