#int(input())
#map(int, input().split())
#list(map(int, input().split()))

class SegmentTree:
    # 初期化処理
    # f : SegmentTreeにのせるモノイド
    # default : fに対する単位元
    def __init__(self, size1, f=lambda x,y : x+y, default=0):
        self.size = 2**(size1-1).bit_length() # 簡単のため要素数Nを2冪にする
        self.default = default
        self.dat = [default]*(self.size*2) # 要素を単位元で初期化
        self.f = f

    def update(self, i, x):
        i += self.size
        self.dat[i] = x
        while i > 0:
            i >>= 1
            self.dat[i] = self.f(self.dat[i*2], self.dat[i*2+1])

    def query(self, l, r):
        l += self.size
        r += self.size
        lres, rres = self.default, self.default
        while l < r:
            if l & 1:
                lres = self.f(lres, self.dat[l])
                l += 1

            if r & 1:
                r -= 1
                rres = self.f(self.dat[r], rres) # モノイドでは可換律は保証されていないので演算の方向に注意
            l >>= 1
            r >>= 1
        res = self.f(lres, rres)
        return res

    def __str__(self) -> str:
        a = [0] * N
        for i in range(N):
            a[i] = self.query(i, i+1)
        return "[" + " ".join(str(_) for _ in a) + "]"

N = int(input())

A = [0] * N
T = [0] * N

for i in range(N):
    A[i], T[i] = map(int, input().split())

Q = int(input())

D = [0] * Q
for i in range(Q):
    D[i] = list(map(int, input().split())) + [i]

# D = sorted(D)

event = []

for i in range(Q):
    event.append((D[i][0], 2, D[i][3]))
for i in range(N):
    event.append((T[i], 0, i))
    event.append((T[i] + A[i], 1, i))

event = sorted(event, key= lambda x:(x[0], x[1]))

s = SegmentTree(N)
st = SegmentTree(N)
s1 = SegmentTree(N)

for i in range(N):
    s.update(i, A[i])

ans = [0] * Q

for v, t, i in event:
    if t == 2:
        l = D[i][1]
        r = D[i][2]
        a = s.query(l-1, r)
        a -= s1.query(l-1, r) * (v + 1) - st.query(l-1, r)
        ans[i] = a
    elif t == 0:
        st.update(i, v)
        s1.update(i, 1)
    else:
        st.update(i, 0)
        s1.update(i, 0)
        s.update(i, 0)
    # print(s, st, s1, (v, t, i))

for i in range(Q):
    print(ans[i])