Task: Program Execution
Input (English): 1, 2, ['S', 'I', '1333', '2325', 'P', 'U', 'A', '9649', 'd', 'y', '887', 'f', '7483', '4351', 'Q', 'j', '8413', '4699', '9419', '7531', 'z', '3145']
Output (English): IS