Task: Program Execution
Input (English): F, 4221, 1223, x, w, R, 843, 9557, 2605, E, M, 4969, 7287, O, M, I, q, 6275, R, 645, m, 523, 793
Output (English): 4221, 1223, 843, 9557, 2605, 4969, 7287, 6275, 645, 523, 793