Task: Program Execution
Input (English): B, 5201, g, n, 4691, 4631, I, b, i, 7759, f, 7627, s, 7205, 531, 9111, 6535, 3177, N, f, 8891, o
Output (English): B, g, n, I, b, i, f, s, N, f, o