Task: Program Execution
Input (English): C, A, C, e, 3899, K, o, 703, x, 3881, R, 7293, h, 723, 6017, 8379, F, 6077, q, 4129, z, O, 895, 1465
Output (English): 3899, 703, 3881, 7293, 723, 6017, 8379, 6077, 4129, 895, 1465