Task: Program Execution
Input (English): l, 6111, 5927, 1207, L, y, i, Z, 4257, C, 1993, r, r, E, t, 6825, z, 5453, U, 7109, j, Y, Z, Y
Output (English): l, L, y, i, Z, C, r, r, E, t, z, U, j, Y, Z, Y