Task: Program Execution
Input (English): 7, 20, ['9049', '3379', '1869', '2031', '2391', '2855', 'q', 'y', '5353', '2009', 'z', '2741', '8709', 'r', '8973', 'M', '7711', 'h', 'C', '4237']
Output (English): 7324Ch1177M3798r90781472z90023535yq