Task: Program Execution
Input (English): C, I, 2379, 6037, K, 7781, e, O, 5243, 5775, 3897, a, 4557, I, u, 915, 9845, 5059, 57, h, 4741, F, 4579
Output (English): C, I, K, e, O, a, I, u, h, F, 2379, 6037, 7781, 5243, 5775, 3897, 4557, 915, 9845, 5059, 57, 4741, 4579