Task: Program Execution
Input (English): 3, 14, ['6807', 'J', '1481', 'c', 'L', 'k', '5617', '6701', '3677', '4281', '2259', 'f', '5613', '1419', 'X', '4303', 'R', '2863', 'v', '8609', 'z']
Output (English): 1481cLk56176701367742812259f56131419