Task: Program Execution
Input (English): 7647, A, 1949, N, k, 8431, 7101, 8329, 989, 2445, t, 7425, l, c, 679, 5299, 5611, 8125, N
Output (English): 1, 3, 6, 7, 8, 9, 10, 12, 15, 16, 17, 18