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from bisect import bisect_left as bl
from bisect import bisect_right as br
from heapq import heappush,heappop,heapify
import math
from collections import *
from functools import reduce,cmp_to_key
import sys
input = sys.stdin.readline
M = mod = 998244353
def factors(n):return sorted(set(reduce(list.__add__, ([i, n//i] for i in range(1, int(n**0.5) + 1) if n % i == 0))))
def inv_mod(n):return pow(n, mod - 2, mod)
 
def li():return [int(i) for i in input().rstrip('\n').split()]
def st():return input().rstrip('\n')
def val():return int(input().rstrip('\n'))
def li2():return [i for i in input().rstrip('\n')]
def li3():return [int(i) for i in input().rstrip('\n')]


class Node:
    def __init__(self,s,e):
        self.start=s
        self.end=e
        self.val = 0
        self.left=None
        self.right=None
 
def build(nums,l,r):
    if l == r:
        temp = Node(l,l)
        temp.val = 0
    else:
        mid=(l+r)>>1
        temp=Node(l,r)
        temp.left=build(nums,l,mid)
        temp.right=build(nums,mid+1,r)
        temp.val = temp.left.val + temp.right.val
    return temp

def update(root,start,value):
    if root.start == start == root.end:
        root.val = value
    elif root.start <= start and root.end >= start:
        update(root.left,start,value)
        update(root.right,start,value)
        root.val = root.left.val + root.right.val





def query(root,start,end):
    if root.start>=start and root.end<=end:return root.val
    elif root.start>end or root.end<start:return 0
    else:
        temp1 = query(root.left,start,end)
        temp2 = query(root.right,start,end)
        return temp1 + temp2
        


n, m, q = li()

evens = [0 for i in range(2 * n + 2)]
odds = [0 for i in range(2 * n + 2)]
r1 = build(evens,0,2*n+2)
r2 = build(odds,0,2*n+2)


ans = 1
for i in range(q):
    a, b = li()
    if (a + b) & 1:
        print('YES' if ans else 'NO')
        continue
    if a & 1:
        update(r1,a,1)
    else:
        update(r2,a,1)
    # print(query(r1,0,2*n),query(r2,0,2*n))
    if query(r1,0,2) and query(r2,2 * n-1,2 * n+2):
        ans = 0
    elif query(r1,0,2 * n + 2) == 0 or query(r2,0,n+ n + 2) == 0:
        ans = 1
    else:
        ans = 1 if query(r1,0,2*n+2) + query(r2,0,2*n+2) < 3 else 0
    
    print('YES' if ans else 'NO')





