from collections import defaultdict,deque class UnionFind(): def __init__(self, n): self.n = n self.parents = [-1] * n def find(self, x): if self.parents[x] < 0: return x else: self.parents[x] = self.find(self.parents[x]) return self.parents[x] def union(self, x, y): x = self.find(x) y = self.find(y) if x == y: return if self.parents[x] > self.parents[y]: x, y = y, x self.parents[x] += self.parents[y] self.parents[y] = x def size(self, x): return -self.parents[self.find(x)] def same(self, x, y): return self.find(x) == self.find(y) def members(self, x): root = self.find(x) return [i for i in range(self.n) if self.find(i) == root] def roots(self): return [i for i, x in enumerate(self.parents) if x < 0] def group_count(self): return len(self.roots()) def all_group_members(self): group_members = defaultdict(list) for member in range(self.n): group_members[self.find(member)].append(member) return group_members H,W,N,D=map(int,input().split()) XY=[tuple(map(int,input().split())) for _ in range(N)] mp=[[N for _ in range(W+1)] for _ in range(H+1)] for (i,(x,y)) in enumerate(XY):mp[x][y]=i nxt=[] for i in range(-5,6): for j in range(-5,6): if i==0 and j==0:continue if abs(i)+abs(j)<=D:nxt.append((i,j)) uf=UnionFind(N) for (i,j) in XY: for (di,dj) in nxt: ni=i+di nj=j+dj if 1<=ni<=H and 1<=nj<=W and mp[ni][nj]!=N: uf.union(mp[i][j],mp[ni][nj]) cand=set() star=set() sign=set() star_cand=[set() for _ in range(N)] sign_cand=[set() for _ in range(N)] for (i,j) in XY: root=uf.find(mp[i][j]) size=uf.size(root) if size==1:star.add(root) else:sign.add(root) for (di,dj) in nxt: ni=i+di nj=j+dj if 1<=ni<=H and 1<=nj<=W and mp[ni][nj]==N: cand.add((ni,nj)) if size==1:star_cand[root].add((ni,nj)) else:sign_cand[root].add((ni,nj)) star_num=len(star) sign_num=len(sign) star_cand_cnt=[[0 for _ in range(W+1)] for _ in range(H+1)] sign_cand_cnt=[[0 for _ in range(W+1)] for _ in range(H+1)] for v in star_cand: for (x,y) in v:star_cand_cnt[x][y]+=1 for v in sign_cand: for (x,y) in v:sign_cand_cnt[x][y]+=1 inc=0 dec=0 for (x,y) in cand: if star_cand_cnt[x][y]>0 and sign_cand_cnt[x][y]==0:inc+=1 elif star_cand_cnt[x][y]==0 and sign_cand_cnt[x][y]>0:dec=max(dec,sign_cand_cnt[x][y]) mx=sign_num mn=sign_num if inc>0:mx+=1 if dec>0:mn-=dec-1 print(mn,mx)