4g equimolar mixture of NaOH

$4 \mathrm{~g}$ equimolar mixture of $\mathrm{NaOH}$ and $\mathrm{Na}_{2} \mathrm{CO}_{3}$ contains $x g$ of $\mathrm{NaOH}$ and y $g$ of $\mathrm{Na}_{2} \mathrm{CO}_{3}$. The value of $\mathrm{x}$ is g. (Nearest integer)