n,d,K,*x=$<.read.split.map &:to_i
m=[0,0,0]
c=h=x[0]
n.times{|j|a,f=x[j],[j+d,n-1].min
a>c&&x[f]<x[h]&&((j+1..f).map{|k|v=x[k]-a;v<0&&break;v>m[0]&&m=[v,j,k]}
c,h=a,f)}
puts m[0]<1?0:[m.shift*K,m*' ']