Task: Program Execution
Input (English): 4, ['1777', '555', '6435', 'X', '3717', 'M', 'I', '4919', '2305', 'o', '6577', 'f', 'f', 'Q', '19', '6351']
Output (English): 3717, M, I, 4919, 2305, o, 6577, f, f, Q, 19, 6351