Task: Program Execution
Input (English): 1, 6, ['87', 'I', '583', 'U', '2155', '3625', '3685', '9867', '7569', 'L', 'I', 'x', '1599', 's', '8581', 'W', 'L', 'j', '811', '5671', 'N', 'T', '1939', 'o', 'H', 'x']
Output (English): 52635512U385I78