Task: Program Execution
Input (English): 13, 16, ['6369', 'J', 'q', 'g', 'K', '7607', 'F', 'u', '9851', '9825', '5571', 'p', 'G', 'E', 'M', '4957', '7439', 'O']
Output (English): G, E, M, 4957