Task: Program Execution
Input (English): 2011, X, R, p, o, t, S, c, 2219, 3881, T, 9003, C, Z, 3015, 6411, U, 163, 7127, U, 9005, 1215, N
Output (English): 2011, 2219, 3881, 9003, 3015, 6411, 163, 7127, 9005, 1215