#include <bits/stdc++.h>
#define NMAX 100000
#define int long long
using namespace std;
int v[NMAX + 5];
int n;
void update( int i, int val ){
    while( i <= n ){
        v[i] += val;
        i += ( i & -i );
    }
}
int prefixSum( int i ){
    int sum = 0;
    while( i > 0 ){
        sum += v[i];
        i -= ( i & -i );
    }
    return sum;
}
int rangeSum( int i, int j ){
    return prefixSum( j ) - prefixSum( i - 1 );
}
signed main()
{
    ifstream fin( "datorii.in" );
    ofstream fout( "datorii.out" );
    int m, i, op, a, b, rasp, mij, st, dr;
    fin >> n >> m;
    for(int i=1;i<=n;i++)
    {
        fin>>a; update(i,a);
    }
    for( i = 1; i <= m; i++ ){
    fin>>op>>a>>b;
    if(op==1)
    {
        fout<<rangeSum(a,b)<<endl;
    }
    else
    {
        update(a,-b);
    }
    }


    return 0;
}