K1(w){I i='N'==*x?L[N++]:0,j=0;V mm(K x){I i;$(Ax,if(26u>xi…
K1(w){I i='N'==*x?L[N++]:0,j=0;V mm(K x){I i;$(Ax,if(26u>xi-'a'&&L[i=xi-'a'])M|=1<<L[i])$(':'==*x&&A(xy),i=I(xy)-'a',M&=~(1<<L[i]),mm(xz))N(xn,mm(sc("{WNC",*x)?xK[xn-1-i]:Xx))}mm(x);
K1(w){I i='N'==*x?L[N++]:0,j=0;V mm(K x){I i;$(Ax,if(26u>xi-'a'&&L[i=xi-'a'])M|=1<<L[i])$(':'==*x&&A(xy),i=I(xy)-'a',M&=~(1<<L[i]),mm(xz))N(xn,mm(sc("{WNC",*x)?xK[xn-1-i]:Xx))}mm(x);