@ Y </code>\rightarrowTheletter<b>Y</b>isprecededbythesymbol<codecolor="rgb(0,0,0)"style="padding:2px4px;border−radius:4px;border:1pxsolidrgb(224,224,224);background:rgb(51,51,51);color:rgb(0,0,0);font−size:0.9em;line−height:1.4;">@</code>andfollowedbythesymbol<codecolor="rgb(0,0,0)"style="padding:2px4px;border−radius:4px;border:1pxsolidrgb(224,224,224);background:rgb(51,51,51);color:rgb(0,0,0);font−size:0.9em;line−height:1.4;">.