Task: Program Execution
Input (English): 3, 12, ['W', '4121', 'r', 'X', '8457', 'U', 'S', '6199', 'u', '5249', 'e', '1949', 'w', 'n', '7529', 'n', '6909', '6937', 'H', '3245', '4293', '7889', 'f', '9935', '2793', '1741', 'l']
Output (English): r, 7529, l