Task: Program Execution
Input (English): 7921, Y, 3963, 5341, 6997, 5801, 6243, h, m, 1355, J, 2171, 5227, m, G, E, g, 2751, 6877, 7345, 7699, s
Output (English): 1, 3, 4, 5, 6, 7, 10, 12, 13, 18, 19, 20, 21