For each of the following CFLs $L,$ give a "direct" design of an NPDA $($solutions with CFG are not acceptable$).$

i$)L_1=\{a^n{b}^m$:$0nm3n\}$

ii$)L_2=\{win\{a,b{\}}^{***}$:$n_a(w)3n_b(w)\}$