Task: Program Execution
Input (English): 3559, 8555, 6765, A, F, 1597, 6321, 2681, o, u, 1627, Z, 9881, 1467, R
Output (English): 3559, 8555, 6765, 1, 6, 1597, 6321, 2681, 15, 21, 1627, 26, 9881, 1467, 18