Task: Program Execution
Input (English): 10, 13, ['d', 'c', '9219', 't', 'r', 'h', '2597', 'W', 'S', 'Y', 'j', 'u', '649', 'y', 'm', '5891', '2817', 'z', '9693', '4181', 'V', '7817', 'U', 'u', '3971', '2825']
Output (English): Yju649