Task: Program Execution
Input (English): Z, z, 8323, U, 1973, Q, R, 1381, 7109, I, 3601, 659, w, E, 207, I, N, A, 4577, z, 267
Output (English): 1, 2, 4, 6, 7, 10, 13, 14, 16, 17, 18, 20