Task: Program Execution
Input (English): 7, 18, ['X', '4385', 'u', '215', '7569', 'd', '675', '9079', '3709', 's', 'P', 'd', 'q', '3719', 's', 'c', 'F', '8509', 'Y', '7677', 'a', 'H', '751', 'n', '4191', '8701']
Output (English): 8509Fcs3719qdPs37099079675