Task: Program Execution
Input (English): i, y, 9941, L, 3985, t, k, t, 6923, 4223, h, 7525, x, x, 993, 3481, 9805, G, c, 9161, 6687
Output (English): 1, 2, 4, 6, 7, 8, 11, 13, 14, 18, 19