Task: Program Execution
Input (English): 1115, A, C, t, I, p, u, 3419, 313, 3283, T, x, T, x, u, x, 6493, a, 891, 9535, K, 6925, R, 467
Output (English): 2, 3, 4, 5, 6, 7, 11, 12, 13, 14, 15, 16, 18, 21, 23