Task: Program Execution
Input (English): 4, 2, ['9913', '4833', 'r', 'b', 'f', '3621', 's', '8207', 'X', 'n', 'u', 'o', '7547', '4079', '951', '1257', '293', 'o', 't', '9977']
Output (English): b, 3621, 8207, n, o, 4079, 1257, o, 9977