Comb<Mint>c;
ll@n,@m;
Mint@p;p/=100;
ll@v[n];
rsortA(n,v);
Mint r=sum(v(n)),s=r;
rep(i,n)r-=c.C(m-1+i,i)*p**m*(1-p)**i*s,s-=v[i];
wt(r);