Task: Program Execution
Input (English): 1, 17, ['N', '6771', 'B', 'i', 'O', 'y', '3167', 's', '1225', '6379', 'x', '6351', 'i', 'q', 'x', 'U', '3857', 'n', '6423', 'e', 'K', '5055', '5987']
Output (English): N6771BiOy3167s12256379x6351iqxU3857