Task: Program Execution
Input (English): 11, 12, ['Q', 'u', '2827', '5359', 'H', 'g', 'E', 'G', 'Y', '4245', 'b', 'z', 'I', '6161', '3163', 'M', 'K', '7619', 'i', '7493', '1437', 'c', 'y', '7959', '3885']
Output (English): zb