Task: Program Execution
Input (English): t, 5983, 2729, 533, 4929, p, s, 9751, l, 2709, 1339, m, 1795, v, M, 7537, e, x, 5381, 1019, T, O, 8897
Output (English): 1, 6, 7, 9, 12, 14, 15, 17, 18, 21, 22