Task: Program Execution
Input (English): 5, 15, ['6431', '7993', 'n', 'Y', 'y', '7479', 'f', 'Z', 'D', '3229', '9495', '601', 'Z', 'V', '7457', 'w', '5991', 'L', 'N']
Output (English): 7547VZ10659499223DZf9747y