Task: Program Execution
Input (English): 10, 21, ['K', '8819', '3253', 'S', 'F', 'k', 'M', 'w', '3365', 'y', 'o', '2159', 'E', '695', 'X', 's', '4571', '5513', '1193', '3115', 's', 'b']
Output (English): y, o, 2159, E, 695, X, s, 4571, 5513, 1193, 3115, s