Task: Program Execution
Input (English): 4, 18, ['v', 'N', '5367', 'E', '8359', '6299', 'Z', '5763', 'l', 'l', 'U', '4699', '8223', '1789', '8875', 'c', 'y', '6959', '6465', '8869', '3741', '5735', 'n', 'X', 'S']
Output (English): 9596yc5788987132289964Ull3675Z99269538E