Task: Program Execution
Input (English): 7353, 6111, c, d, Y, 1077, 8981, l, I, 3409, Y, 1687, W, 2945, e, 5689, U, S, 1739, M, 3349, 1557, S, 8021
Output (English): 1, 2, 6, 7, 10, 12, 14, 16, 19, 21, 22, 24