#include <stdio.h>
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define modulo 1000000007
#define mod(mod_x) ((((long long)mod_x+modulo))%modulo)
#define Inf 1000000000000000000



int main(){
	
	int N,Q;
	
	scanf("%d %d",&N,&Q);
	
	vector<long long> S(N+1,0LL);
	
	rep(i,N){
		scanf("%lld",&S[i+1]);
		S[i+1] += S[i];
	}
	
	rep(_,Q){
		int T,l,r;
		scanf("%d %d %d",&T,&l,&r);
		l--;r--;
		if(T==1){
			S.erase(S.begin()+l+1,S.begin()+r+1);
		}
		else{
			long long ans = S[r+1] - S[l];
			printf("%lld\n",ans);
		}
		
	}
	
	return 0;
}