Task: Program Execution
Input (English): 3, 4, ['4683', 'R', '1833', 'Z', '9389', '1483', '5653', 'e', '2241', '7989', 'B', '7089', '4569', '3483', 'j', 'l', '1803', '5969', 's', 'D']
Output (English): Z, 1833