Task: Program Execution
Input (English): 1, 3, ['2717', '7457', '6873', '8657', 'w', 'C', 'b', 'k', '7951', 'O', 'J', 'z', 'n', 'W', '4979', 'n', '3347', '7113', 's']
Output (English): 2717, 8657, b, O, n, n, s