#include <bits/stdc++.h>
using namespace std;
template <int MOD_>
struct modnum {
  static constexpr int MOD = MOD_;
  static_assert(MOD_ > 0, "MOD must be positive");

 private:
  using ll = long long;
  int v;
  static int minv(int a, int m) {
    a %= m;
    assert(a);
    return a == 1 ? 1 : int(m - ll(minv(m, a)) * ll(m) / a);
  }

 public:
  modnum() : v(0) {}
  modnum(ll v_) : v(int(v_ % MOD)) {
    if (v < 0) v += MOD;
  }
  explicit operator int() const { return v; }
  friend std::ostream& operator<<(std::ostream& out, const modnum& n) {
    return out << int(n);
  }
  friend bool operator==(const modnum& a, const modnum& b) {
    return a.v == b.v;
  }
  friend bool operator!=(const modnum& a, const modnum& b) {
    return a.v != b.v;
  }
  modnum inv() const {
    modnum res;
    res.v = minv(v, MOD);
    return res;
  }
  modnum neg() const {
    modnum res;
    res.v = v ? MOD - v : 0;
    return res;
  }
  modnum operator-() const { return neg(); }
  modnum operator+() const { return modnum(*this); }
  modnum& operator++() {
    v++;
    if (v == MOD) v = 0;
    return *this;
  }
  modnum& operator--() {
    if (v == 0) v = MOD;
    v--;
    return *this;
  }
  modnum& operator+=(const modnum& o) {
    v += o.v;
    if (v >= MOD) v -= MOD;
    return *this;
  }
  modnum& operator-=(const modnum& o) {
    v -= o.v;
    if (v < 0) v += MOD;
    return *this;
  }
  modnum& operator*=(const modnum& o) {
    v = int(ll(v) * ll(o.v) % MOD);
    return *this;
  }
  modnum& operator/=(const modnum& o) { return *this *= o.inv(); }
  friend modnum operator++(modnum& a, int) {
    modnum r = a;
    ++a;
    return r;
  }
  friend modnum operator--(modnum& a, int) {
    modnum r = a;
    --a;
    return r;
  }
  friend modnum operator+(const modnum& a, const modnum& b) {
    return modnum(a) += b;
  }
  friend modnum operator-(const modnum& a, const modnum& b) {
    return modnum(a) -= b;
  }
  friend modnum operator*(const modnum& a, const modnum& b) {
    return modnum(a) *= b;
  }
  friend modnum operator/(const modnum& a, const modnum& b) {
    return modnum(a) /= b;
  }
};
using num = modnum<int(1e9) + 7>;
using ll = long long;
const int S = (1 << 18);
struct seg_node {
  ll sum_w;
  num sum_aw;
} seg[2 * S];
const int MAXN = 2.1e5;
int N;
int A[MAXN];
void recalc(int i) {
  assert(1 <= i && i < S);
  int l = 2 * i, r = 2 * i + 1;
  seg[i].sum_w = seg[l].sum_w + seg[r].sum_w;
  seg[i].sum_aw = seg[l].sum_aw + seg[r].sum_aw;
}
void update(int i, int nw) {
  assert(0 <= i && i <= N - 1);
  seg[S + i].sum_w = nw;
  seg[S + i].sum_aw = num(ll(A[i]) * nw);
  for (int a = (S + i) / 2; a; a /= 2) {
    recalc(a);
  }
}
seg_node get_sum(int l, int r) {
  seg_node res{0, 0};
  for (l += S, r += S; l < r; l /= 2, r /= 2) {
    if (l & 1) {
      res.sum_w += seg[l].sum_w;
      res.sum_aw += seg[l].sum_aw;
      l++;
    }
    if (r & 1) {
      r--;
      res.sum_w += seg[r].sum_w;
      res.sum_aw += seg[r].sum_aw;
    }
  }
  return res;
}
num solve(int l, int r) {
  assert(0 <= l && l <= r && r <= N - 1);
  r++;
  assert(0 <= l && l < r && r <= N);
  ll pl = get_sum(0, l).sum_w;
  ll pr = get_sum(0, r).sum_w;
  assert(pl < pr);
  ll pm = (pl + pr) / 2;
  assert(pl <= pm && pm < pr);
  int m = 1;
  while (m < S) {
    assert(seg[m].sum_w > pm);
    int ml = 2 * m;
    if (seg[ml].sum_w > pm) {
      m = ml;
    } else {
      pm -= seg[ml].sum_w;
      m = ml + 1;
    }
  }
  m -= S;
  assert(l <= m && m < r);
  seg_node sl = get_sum(l, m);
  seg_node sr = get_sum(m, r);
  return (num(A[m]) * num(sl.sum_w) - sl.sum_aw) +
         (sr.sum_aw - num(A[m]) * num(sr.sum_w));
}
int Q;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  cin >> N >> Q;
  for (int i = 0; i < N; i++) {
    cin >> A[i];
    A[i] -= i;
  }
  for (int i = 0; i < N; i++) {
    int w;
    cin >> w;
    seg[S + i].sum_w = w;
    seg[S + i].sum_aw = num(ll(A[i]) * w);
  }
  for (int i = S - 1; i > 0; i--) {
    recalc(i);
  }
  for (int q = 0; q < Q; q++) {
    int x, y;
    cin >> x >> y;
    if (x < 0) {
      int i = abs(x);
      i--;
      int nw = y;
      update(i, nw);
    } else {
      x--, y--;
      cout << solve(x, y) << '\n';
    }
  }
  return 0;
}
