Task: Program Execution
Input (English): 3, 18, ['b', 'g', '6489', '7265', 'v', '6927', 'C', '4415', 'D', '9321', 'F', '7075', '7787', '6641', '5001', 'r', '5447', '8819', '7489', '4575', 'X', '9569']
Output (English): 91887445r1005146678775707F1239D5144C7296v56279846