Task: Program Execution
Input (English): 7, 17, ['k', 'Y', '2401', 'h', 'W', 'p', '5567', '2509', '8321', '1565', 'L', 'E', 'd', '195', '2709', 'x', 'W', '465', '4991', '6819']
Output (English): 5567250983211565LEd1952709xW