import sys;

class MyReader:
#    file = null;
    def __init__(self):
        filename = "file.in";
        if self.isLocal():
            self.file = open(filename);
        self.str = [""];
        self.ind = 1;

    def isLocal(self):
        return len(sys.argv) > 1 and sys.argv[1] == "SCHULLZ";

    def nextString(self):
        if self.isLocal():
            return self.file.read();
        else:
            return input();

    def nextInt(self):
        return int(self.nextToken());

    def nextToken(self):
        if (self.ind >= len(self.str)):
            self.ind = 0;
            self.str = self.nextString().split();
        self.ind += 1;
        return self.str[self.ind - 1];

def Solve():
    n = -1;
    try:
        n = rdr.nextInt();
    except Exception:
        return False;

    d = rdr.nextInt();
    m = rdr.nextInt();

    xs = [];
    ys = [];

    for i in range(0, m):
        xs.append(rdr.nextInt());
        ys.append(rdr.nextInt());


    for i in range(0, m):
        x = xs[i];
        y = ys[i];
        if (x + y >= d and x + y <= 2 * n - d and y <= x + d and y >= x - d):
            print("YES");
        else:
            print("NO");

    return True;

rdr = MyReader();

if (not rdr.isLocal()):
    Solve();
else:
    while (Solve()):
        fgh = 1