Task: Program Execution
Input (English): 2, 10, ['u', 'E', 'B', '4843', '8313', 'T', 'Z', '5883', 'U', '2515', 'Z', '6951', '5779', '1291', 'b', '6437', 'M', '2461', '9459', '2243', '9003', '4545', 'h', '9297', 's', 'g']
Output (English): EB48438313TZ5883U2515