Task: Program Execution
Input (English): 2, 28, ['4905', 'Q', 'u', '7615', 'D', '4979', '9455', '4523', '9455', 'E', 'i', 'T', '5475', '5477', '4897', '9037', '1539', '4783', 'y', 'Z', '6401', '8407', '2751', '7963', '5059', '3457', 'a', 'k', 'W', 'b']
Output (English): ka345750597963275184076401Zy478315399037489754775475TiE9455452394554979D7615uQ