Task: Program Execution
Input (English): 1, 20, ['6339', 'u', '8137', '8729', '4665', 'J', 'y', 'Z', 'n', 'h', '4147', '7199', 'C', 't', '5079', '9017', '7821', '3917', 'O', 'R', 'G', '8463', 'n', 'm']
Output (English): RO3917782190175079tC71994147hnZyJ466587298137u6339