Task: Program Execution
Input (English): 2, ['3517', 'A', 'I', '7353', 'y', 'D', '2237', '7373', 'S', '4237', '1227', 'k', '2223', '6065', 'M', '5387', 'f', 'Q', '5247', 'z', '8377']
Output (English): 3517, A