Task: Program Execution
Input (English): 1649, C, 6449, 7313, 687, L, 975, 8955, 2957, Q, G, p, 5749, R, 8149, o, S, 8509, a, 1949, V, 751, Z, a
Output (English): 2, 6, 10, 11, 12, 14, 16, 17, 19, 21, 23, 24