#include <bits/stdc++.h>
using namespace std;
struct Box {
  long long w, x;
};
struct Fenwick {
  vector<long long> V;
  Fenwick(int N) : V(N + 10) {}
  void add(int x, long long v) {
    for (int i = x + 1; i < V.size(); i += (i & -i)) {
      V[i] += v;
    }
  }
  long long get(int x) {
    long long r = 0;
    for (int i = x + 1; i > 0; i -= (i & -i)) {
      r += V[i];
    }
    return r;
  }
  long long segSum(int i, int j) { return get(j) - get(i - 1); }
};
template <class T, class U>
struct SegmentTree {
  struct Node {
    bool hasCarry = 0;
    int b = 0, e = 0;
    U carry = U();
    T val = T();
    Node() {}
    void join(const Node &l, const Node &r) {
      val = l.val + r.val;
      b = l.b;
      e = r.e;
    }
    void update(const U &u) {
      carry += u;
      u(val);
      hasCarry = 1;
    }
    void pushDown(Node &l, Node &r) {
      if (!hasCarry) return;
      l.update(carry.trim(0, r.e - r.b + 1));
      r.update(carry.trim(l.e - l.b + 1, 0));
      carry = U();
      hasCarry = 0;
    }
  };
  vector<Node> V;
  int N;
  SegmentTree(int N) : V(2 * N), N(N) {}
  template <class I>
  void create(const vector<I> &VEC, int b = 0, int e = -1) {
    if (e == -1) e = N - 1;
    int n = (((b) + (e)) | ((b) != (e)));
    if (b == e) {
      V[n].val = T(VEC[b]), V[n].b = b, V[n].e = e;
    } else {
      int m = (b + e) / 2;
      create(VEC, b, m);
      create(VEC, m + 1, e);
      V[n].join(V[(((b) + (m)) | ((b) != (m)))],
                V[(((m + 1) + (e)) | ((m + 1) != (e)))]);
    }
  }
  T query(int i, int j, int b = 0, int e = -1) {
    if (e == -1) e = N - 1;
    int n = (((b) + (e)) | ((b) != (e)));
    if (i <= b && e <= j) {
      return V[n].val;
    } else {
      int m = (b + e) / 2;
      V[n].pushDown(V[(((b) + (m)) | ((b) != (m)))],
                    V[(((m + 1) + (e)) | ((m + 1) != (e)))]);
      if (i > m) return query(i, j, m + 1, e);
      if (j <= m) return query(i, j, b, m);
      return query(i, j, b, m) + query(i, j, m + 1, e);
    }
  }
  int findOkPrefix(int i, const function<bool(T)> &isOk) {
    vector<int> stk;
    stk.reserve(20);
    stk.push_back((((0) + (N - 1)) | ((0) != (N - 1))));
    T acum;
    int sz = 0;
    while (stk.size()) {
      int t = stk.back();
      stk.pop_back();
      Node &n = V[t];
      int m = (n.b + n.e) / 2;
      if (n.e < i) continue;
      T newAcum = sz == 0 ? n.val : (acum + n.val);
      if (i <= n.b) {
        if (isOk(newAcum)) {
          sz += n.e - n.b + 1;
          acum = newAcum;
        } else {
          if (n.b == n.e) return sz;
          stk.push_back((((m + 1) + (n.e)) | ((m + 1) != (n.e))));
          stk.push_back((((n.b) + (m)) | ((n.b) != (m))));
        }
      } else {
        if (n.b == n.e) continue;
        stk.push_back((((m + 1) + (n.e)) | ((m + 1) != (n.e))));
        stk.push_back((((n.b) + (m)) | ((n.b) != (m))));
      }
    }
    return sz;
  }
  void update(int i, int j, const U &v, int b = 0, int e = -1) {
    if (e == -1) e = N - 1;
    int n = (((b) + (e)) | ((b) != (e)));
    if (i <= b && e <= j) {
      V[n].update(v.trim(max(b - i, 0), max(j - e, 0)));
    } else if (i > e || j < b)
      return;
    else {
      int m = (b + e) / 2;
      int l = (((b) + (m)) | ((b) != (m))),
          r = (((m + 1) + (e)) | ((m + 1) != (e)));
      V[n].pushDown(V[l], V[r]);
      update(i, j, v, b, m);
      update(i, j, v, m + 1, e);
      V[n].join(V[l], V[r]);
    }
  }
};
struct Sum {
  long long s;
  Sum(long long w) { s = w; }
  Sum operator+(const Sum &o) const { return Sum(s + o.s); }
};
struct ToSides {
  int toL, toR, pl, pr, w;
  ToSides(Box b = (Box){0, 0}) {
    toL = 0;
    toR = 0;
    pl = b.x;
    pr = b.x;
    w = b.w;
  }
  ToSides operator+(const ToSides &a) const {
    ToSides r = a;
    r.toL = (toL + a.toL + (1LL * (a.pl - pl) * a.w)) % 1000000007;
    r.toR = (toR + a.toR + (1LL * (a.pr - pr) * w)) % 1000000007;
    r.pl = pl;
    r.pr = a.pr;
    r.w = (a.w + w) % 1000000007;
    return r;
  }
};
struct Replace {
  long long w;
  Replace(long long w = 0) { this->w = w; }
  Replace trim(int l, int r) const { return *this; }
  void operator+=(const Replace &a) { w = a.w; }
  void operator()(ToSides &a) const { a.w = w; }
};
int main() {
  int N, Q;
  cin >> N >> Q;
  vector<Box> V(N);
  Fenwick FX(N);
  for (int i = 0; i < N; ++i) {
    scanf("%lld", &V[i].x);
    V[i].x -= i;
    FX.add(i, V[i].x);
  }
  Fenwick F(N);
  for (int i = 0; i < N; ++i) {
    scanf("%lld", &V[i].w);
    F.add(i, V[i].w);
  }
  SegmentTree<ToSides, Replace> ST(N);
  ST.create(V);
  for (int i = 0; i < Q; ++i) {
    long long l, r;
    scanf("%lld%lld", &l, &r);
    if (l < 0) {
      long long id = (-l) - 1, nw = r;
      F.add(id, -V[id].w + nw);
      ST.update(id, id, Replace(nw));
      V[id].w = nw;
    } else {
      l--;
      r--;
      long long tots = F.segSum(l, r);
      int m = -1, lo = l, hi = r;
      while (lo <= hi) {
        int mi = (lo + hi) / 2;
        long long t = F.segSum(l, mi);
        if (t * 2 < tots) {
          lo = mi + 1;
        } else {
          m = mi;
          hi = mi - 1;
        }
      }
      long long a = ST.query(l, m).toR;
      long long b = ST.query(m, r).toL;
      cout << (a + b) % 1000000007 << endl;
    }
  }
}
