a=int(input())
b=int(input())
k=int(input())
c=int(input())
for i in range (a,b-1,-k):
if i==c: continue
print(i)
YT1pbnQoaW5wdXQoKSkKYj1pbnQoaW5wdXQoKSkKaz1pbnQoaW5wdXQoKSkKYz1pbnQoaW5wdXQoKSkKZm9yIGkgaW4gcmFuZ2UgKGEsYi0xLC1rKTogCglpZiBpPT1jOiBjb250aW51ZQoJcHJpbnQoaSk=