Task: Program Execution
Input (English): 7369, 1247, 8023, V, O, 8889, T, 421, 6929, 9813, 2591, i, 9467, 869, y, U, H, C, l, b, 213, y, 1231
Output (English): V, O, T, i, y, U, H, C, l, b, y, 7369, 1247, 8023, 8889, 421, 6929, 9813, 2591, 9467, 869, 213, 1231