Task: Program Execution
Input (English): c, z, b, 6173, E, 8811, I, 7689, 7083, 2577, z, 3491, 967, 7543, 1027, 8107, 1795, 2067, j, 6175, 9391, 665, N
Output (English): c, z, b, E, I, z, j, N