#include <stdio.h>

using namespace std;

//#define zeros(x) ( (x ^ (x - 1)) & x )
#define zeros(x) (x&(-x))
int c[15002];

int main()
{
    int n,m,x,i,st,dr,val,ind,s1,s2,cod,j;

    FILE *f=fopen("datorii.in","r");
    FILE *g=fopen("datorii.out","w");

    fscanf(f,"%d%d",&n,&m);
    for(i=1;i<=n;i++)
    {
        fscanf(f,"%d",&x);
        j=i;
        while(j<=n)
        {
            c[j]=c[j]+x;
            j=j+zeros(j);
        }
    }

    for(i=1;i<=m;i++)
    {
        fscanf(f,"%d",&cod);
        if(cod==0)
        {
            fscanf(f,"%d%d",&ind,&val);
            while(ind<=n)
            {
                c[ind]=c[ind]-val;
                ind=ind+zeros(ind);
            }
        }
        else
        {
            fscanf(f,"%d%d",&st,&dr);
            s1=0;
            while(dr>0)
            {
                s1=s1+c[dr];
                dr=dr-zeros(dr);
            }
            st--;
            s2=0;
            while(st>0)
            {
                s2=s2+c[st];
                st=st-zeros(st);
            }
            fprintf(g,"%d\n",s1-s2);
        }
    }
    return 0;
}