Task: Program Execution
Input (English): 3, 11, ['9515', 'y', '9419', '2119', 'W', 'y', '8451', 'X', 'v', 'K', '9001', 'U', '8175', 'J', '7125', 'Z', '8771', '3357']
Output (English): 1009KvX1548yW91129149