Task: Program Execution
Input (English): 7663, 9167, 1663, J, p, P, z, g, 7669, Q, m, 7357, 5573, 8525, E, 1873, 1281, w, d, 6529, 659
Output (English): 1, 2, 3, 9, 12, 13, 14, 16, 17, 20, 21