a=e;
b=p;
c=s;
d=t;
e=i;
f=w;
g=k;
h=n;
i=u;
j=v;
k=g;
l=c;
m=l;
n=r;
o=y;
p=b;
q=x;
r=h;
s=m;
t=d;
u=o;
v=f;
w=z;
x=q;
y=a;
z=j