Task: Program Execution
Input (English): 1, 10, ['3529', '2615', 'M', '2847', 'p', '3931', 'x', 'C', 'L', 'u', '3521', 'Q', 'd', '5327', 'W', 'W', '6719', '7523']
Output (English): uLCx3931p2847M26153529