Task: Program Execution
Input (English): 3, 15, ['X', 'v', '4345', '3767', 'g', 'Y', 'l', '9325', 'P', 'l', '7543', 't', 'C', 'C', '3757', '2059', '551', 'M', 'Y', '6605', 'J', '5891', '2963', '8089', '5117', '6241', 'B']
Output (English): 7573CCt3457lP5239lYg76735434