Task: Program Execution
Input (English): 8, 12, ['x', '9219', '3397', 'p', 'T', '5857', '8107', 'G', 'Z', '4839', 't', 'i', 'u', 'm', '6071', '7191', 'K', 'F', '2195', 'b', 'J', '5733']
Output (English): it4839ZG