Task: Program Execution
Input (English): 9443, 4623, 887, 6979, P, x, z, 2789, n, 2939, 4299, 7401, 8449, 5671, D, p, 6525, 2339, Z, y, N, K
Output (English): 1, 2, 3, 4, 8, 10, 11, 12, 13, 14, 17, 18