Task: Program Execution
Input (English): 5, 13, ['435', '6569', 'M', 'S', 'C', 'p', '9767', 'D', 'B', 'u', 'T', '5581', '13', '6497', 'o', 'a']
Output (English): 13, 5581, T, u, B, D, 9767, p, C