Task: Program Execution
Input (English): Y, 8533, z, j, 9197, W, 6629, 115, 4575, 2283, 8365, R, M, X, 2005, J, 5439, X, 659, r, m, 7365, 9407, b
Output (English): Y, z, j, W, R, M, X, J, X, r, m, b