Task: Program Execution
Input (English): t, 8513, U, 7631, 2981, 9435, B, 6279, B, 2199, g, I, 1669, 2957, o, M, q, p, k, q, 3147
Output (English): 20, 8513, 21, 7631, 2981, 9435, 2, 6279, 2, 2199, 7, 9, 1669, 2957, 15, 13, 17, 16, 11, 17, 3147