#include <iostream>
#include<cstdio>
using namespace std;
int aib[15001], s[15001], n2[15001];
int query(int n)
{
    int sum=0;
    while(n>0)
    {
        sum+=aib[n];
        n-=n2[n];
    }
    return sum;
}
int putdoi(int n)
{
    int i=1;
    while(n%2==0)
    {
        i*=2;
        n/=2;
    }
    return i;
}
int main()
{
    freopen("datorii.in","r",stdin);
    freopen("datorii.out","w",stdout);
    int n, m, nr,c,i,a,b;
    scanf("%d%d", &n,&m);
    for(i=1;i<=n;i++)
    {
        scanf("%d", &nr);
        s[i]=s[i-1]+nr;
        n2[i]=putdoi(i);
    }
    for(i=1;i<=n;i++)
        aib[i]=s[i]-s[i-n2[i]];
    for(i=1;i<=m;i++)
    {
        scanf("%d", &c);
        if(c==0)
        {
            scanf("%d%d", &b, &a);
            while(b<=n)
            {
                aib[b]-=a;
                b+=n2[b];
            }
        }
        else
        {
            scanf("%d%d", &a, &b);
            printf("%d\n", query(b)-query(a-1));
        }
    }
    return 0;
}