Task: Program Execution
Input (English): 13, ['5361', 'd', '6639', '2637', 'U', '1899', 'b', '4339', 'L', 'J', '2159', '433', '6503', 'I', '6611', '7203', '1831', 'J', '6211', 'v', '7433', 'B', '3821', 'X', '6563', 'I', 'X']
Output (English): I, 6611, 7203, 1831, J, 6211, v, 7433, B, 3821, X, 6563, I, X