#include<bits/stdc++.h>
#include <atcoder/fenwicktree>
using namespace std;
using namespace atcoder;
#define rep(i,n) for(ll i=0;i<n;i++)
#define repl(i,l,r) for(ll i=(l);i<(r);i++)
#define per(i,n) for(ll i=(n)-1;i>=0;i--)
#define perl(i,r,l) for(ll i=r-1;i>=l;i--)
#define fi first
#define se second
#define pb push_back
#define ins insert
#define pqueue(x) priority_queue<x,vector<x>,greater<x>>
#define all(x) (x).begin(),(x).end()
#define CST(x) cout<<fixed<<setprecision(x)
#define vtpl(x,y,z) vector<tuple<x,y,z>>
#define rev(x) reverse(x);
using ll=long long;
using vl=vector<ll>;
using vvl=vector<vector<ll>>;
using pl=pair<ll,ll>;
using vpl=vector<pl>;
using vvpl=vector<vpl>;
const ll MOD=1000000007;
const ll MOD9=998244353;
const int inf=1e9+10;
const ll INF=4e18;
const ll dy[9]={0,1,-1,0,1,1,-1,-1,0};
const ll dx[9]={1,0,0,-1,1,-1,1,-1,0};
template<class T> inline bool chmin(T& a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
template<class T> inline bool chmax(T& a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

template <class T>
class SegTree {
    int n;// 葉の数
    vector<T> data;// データを格納するvector
    T def; // 初期値かつ単位元
    function<T(T, T)> operation; // 区間クエリで使う処理
    function<T(T, T)> update;// 点更新で使う処理

    T find(int a, int b) {
        T val_left = def, val_right = def;
        for (a += (n - 1), b += (n - 1); a < b; a >>= 1, b >>= 1)
        {
            if ((a & 1) == 0){
                val_left = operation(val_left, data[a]);
            }
            if ((b & 1) == 0){
                val_right = operation(data[--b],val_right);
            }
        }
        return operation(val_left, val_right);
    }
    public:
    // _n:必要サイズ, _def:初期値かつ単位元, _operation:クエリ関数,
    // _update:更新関数
    SegTree(size_t _n, T _def, function<T(T, T)> _operation,
        function<T(T, T)> _update=[](T a,T b){return b;})
        : def(_def), operation(_operation), update(_update) {
        n = 1;
        while (n < _n) {
            n *= 2;
        }
        data = vector<T>(2 * n - 1, def);
    }
    void set(int i, T x) { data[i + n - 1] = x; }
    void build() {
        for (int k=n-2;k>=0;k--) data[k] = operation(data[2*k+1],data[2*k+2]);
    }
    // 場所i(0-indexed)の値をxで更新
    void change(int i, T x) {
        i += n - 1;
        data[i] = update(data[i], x);
        while (i > 0) {
            i = (i - 1) / 2;
            data[i] = operation(data[i * 2 + 1], data[i * 2 + 2]);
        }
    }

    // [a, b)の区間クエリを実行
    T query(int a, int b) {
        //return _query(a, b, 0, 0, n);
        return find(a,b);
    }

    // 添字でアクセス
    T operator[](int i) {
        return data[i + n - 1];
    }
};
ll n;
ll getidx(SegTree<ll> &st,ll k){// k番目に小さい値をえる
    ll ok=0,ng=n+1;
    while(ng-ok>1){
        ll mid=(ok+ng)/2;
        if(st.query(0,mid)<=k)ok=mid;
        else ng=mid;
    }
    return ok;
}
template <typename T>
class BIT {
public:
  vector<T> bit;
  // 単位元
  int neutral = 0;
  // 更新クエリ, 区間クエリ
  function<T(T,T)> f = [](const T l, const T r) { return l+r; };
  function<T(T,T)> g = [](const T l, const T r) { return l+r; };
  // 初期化
  BIT(int neu = 0,
    function<T(T,T)> _f = [](const T l, const T r) { return l+r; },
    function<T(T,T)> _g = [](const T l, const T r) { return l+r; },
    int n = 1e5)
  {
    init(neu, _f, _g, n);
  }
  void init(int neu = 0,
    function<T(T,T)> _f = [](const T l, const T r) { return l+r; },
    function<T(T,T)> _g = [](const T l, const T r) { return l+r; },
    int n = 2e5+10)
  {
    neutral = neu; f = _f; g = _g;
    bit.assign(n+5, neutral);
  }
  // iに対する点更新クエリ
  void update(int i, T w) {
    for(int x = i+1; x < bit.size(); x += x&-x) bit[x] = f(bit[x], w);
  }
  // [0,i)に対する区間クエリ
  T query(int i) {
    T ret = neutral;
    for(int x = i+1; x > 0; x -= x & -x) ret = g(ret, bit[x]);
    return ret;
  }
};


ll getidx2(fenwick_tree<ll> &st,int k){// k番目に小さい値をえる
    int ok=0,ng=n+1;
    while(ng-ok>1){
        int mid=(ok+ng)/2;
        if(st.sum(0,mid)<=k)ok=mid;
        else ng=mid;
    }
    return ok;
}

int main(){
    ll q;cin >> n >>q;
    vl v(n+1);rep(i,n)cin >> v[i+1];
    rep(i,n)v[i+1]+=v[i];
    //SegTree<ll> st(n+1,0,[](ll a,ll b){return a+b;});
    //rep(i,n+1)st.set(i,1);st.build();
  	fenwick_tree<ll> bit(n+1);
  	rep(i,n+1)bit.add(i,1);
    while(q--){

        ll t,l,r;cin >> t >> l >>r;
        if(t==1){
            for(int i=r-1;i>=l;i--){
                ll p=getidx2(bit,i);
                bit.add(p,-1);
            }
        }
        else{
            l=getidx2(bit,l-1),r=getidx2(bit,r);
            cout << v[r]-v[l] <<endl;
        }
    }

}