Task: Program Execution
Input (English): 1573, 7373, 9541, N, 7645, 3561, O, 2889, 5951, C, c, 1735, d, 1847, E, y, p, q, 9961, L, c, j, 6247
Output (English): 4, 7, 10, 11, 13, 15, 16, 17, 18, 20, 21, 22