Task: Program Execution
Input (English): 6665, i, j, 7943, D, 7795, l, 7239, l, n, 1755, i, S, 3215, 6893, n, H, C, 9375, 8753, 9351, U, W
Output (English): 2, 3, 5, 7, 9, 10, 12, 13, 16, 17, 18, 22, 23