N,M,K,*A=$<.read.split.map &:to_i
r=[K,*[v=0]*N]
M.times{
	a=[0]*N
	(1...N).each{|i|r[i]=[r[i],r[i-1]].max}
	N.times{|n|n.times{|i|
	d,c=r[i].divmod A[i]
	a[n]=[a[n],c+d*A[n]].max
	}}
	r=a
	v=[a[-1],v].max
}
p v