Task: Program Execution
Input (English): 13, 20, ['M', 's', 'v', '8501', 'R', 'N', 'A', '721', '6637', 'A', 'g', 'f', '4355', 'f', '8727', '8407', 'R', 'g', '6375', 'T', 'c', '8455', 'n', '4421', '1779', 'Z', '6721', 'N', '3753', '1241']
Output (English): 4355f87278407Rg6375T