#include <stdio.h>
int const N=15001;
int v[N],n;

void update(int x,int val)
{
    while(x<=n)
    {
        v[x]+=val;
        x+=x&-x;
    }
}

void scad(int x,int val)
{
    while(x<=n)
    {
        v[x]-=val;
        x+=x&-x;
    }
}

int sum(int x)
{
    int s=0;
    while(x!=0)
    {
        s+=v[x];
        x-=x&-x;
    }
    return s;
}

int main()
{
    int i,m,op,x,y;
    freopen("datorii.in","r",stdin);
    freopen("datorii.out","w",stdout);
    scanf("%d%d",&n,&m);
    for(i=1;i<=n;i++)
    {
        scanf("%d",&x);
        update(i,x);
    }
    for(i=1;i<=m;i++)
    {
        scanf("%d%d%d",&op,&x,&y);
        if(op==0) scad(x,y);
        if(op==1) printf("%d\n",sum(y)-sum(x-1));
    }
    return 0;
}