#include <stdio.h>
#include <fstream>
using namespace std;

long m;
int a[15003],n;

int nr0(int x)
{
    int nr=0;
    while(!(x&1))
    {
        x>>=1;
        nr++;
    }
    return nr;
}

void aduna(int i,int x)
{
    while(i<=n)
    {
        a[i]+=x;
        i+=(1<<nr0(i));
    }
}

long suma(int i)
{
    long s=0;
    while(i>0)
    {
        s+=a[i];
        i-=(1<<nr0(i));
    }
    return s;
}

void citire()
{
    freopen("datorii.in","r",stdin);
    freopen("datorii.out","w",stdout);
    scanf("%d %ld",&n,&m);
    memset(a,0,sizeof(a));
    for(int i=1;i<=n;i++)
        {
            int x;
            scanf("%d",&x);
            aduna(i,x);
        }
    for(int i=1;i<=m;i++)
    {
        int x,p,q;
        scanf("%d %d %d",&x,&p,&q);
        if(x)
        {
            long z=suma(q);
            long y=suma(p-1);
            printf("%ld\n",suma(q)-suma(p-1));
        }
        else aduna(p,-q);
    }
}

int main()
{
    citire();
    return 0;
}