[tex]\oint 2342\mathrm{lcm}(34324345e^{3543534543\begin{cases}x=453345 \\ y=435345\end{cases}})\lim _{n\to\infty}43535345f(x)=\begin{cases}435345 \\ 4365465464 \\ 234242\prod ^{\infty}_{n\mathop=0}34234324234523\mathrm{gcd}(234234546464\mod {423\mathrm{ceil}(23\mathrm{floor}(23423))})\end{cases}[/tex]