Task: Program Execution
Input (English): N, 7085, 5471, o, H, 7749, U, 3439, 5933, 4119, 7545, 7999, 4499, 67, 5159, K, Y, 5325, x, 645
Output (English): 2, 3, 6, 8, 9, 10, 11, 12, 13, 14, 15, 18, 20