Task: Program Execution
Input (English): 4, ['X', '4213', '453', 'd', 'i', '1089', '6593', '7433', 'W', 'H', 'n', 'T', 'T', '5697', 'a', 'a', '7859', '1459', 'e', '6921']
Output (English): X, i, W, T, 7859