Task: Program Execution
Input (English): 1, ['4251', 'W', 'd', 'W', '9015', 'U', 'w', 'O', '887', '7507', 'b', 'S', 'N']
Output (English): 4251, W, d, W, 9015, U, w, O, 887, 7507, b, S, N