Task: Program Execution
Input (English): 1, ['2387', 'R', 'd', '2361', '6689', 'j', 'E', '2823', '7971', '7977', 'B', 'J', 'l', 'K', 'F', '1603', 'x']
Output (English): R, d, 2361, 6689, j, E, 2823, 7971, 7977, B, J, l, K, F, 1603, x