Task: Program Execution
Input (English): 6903, 6297, D, I, l, t, z, 1779, 7097, 1817, 7983, 8285, Y, J, 1663, 8045, 5533, 5575, 8611, 7355, M
Output (English): 3, 4, 5, 6, 7, 13, 14, 21