Task: Program Execution
Input (English): 6609, 7383, 3931, 7583, p, G, 6809, 5399, w, 8655, c, n, 779, 4579, 2409, 1457, 6557, 8675, j, d, 5771, f, 8747, r
Output (English): 5, 6, 9, 11, 12, 19, 20, 22, 24