Task: Program Execution
Input (English): 157, 5881, 2439, U, T, 5521, 1657, t, p, o, L, 2965, 6039, 8681, t, x, N, 7151, 7845, g
Output (English): 1, 2, 3, 6, 7, 12, 13, 14, 18, 19