#include <stdio.h>
using namespace std;
FILE*f=fopen("datorii.in","r");
FILE*g=fopen("datorii.out","w");
int S[15005],i,n,m,j,x,a,b;
bool op;
int main()
{
    fscanf(f,"%d %d",&n,&m);
    for (i=1;i<=n;i++) {fscanf(f,"%d",&x); S[i]=S[i-1]+x;}
    for (i=1;i<=m;i++)
    {
        fscanf(f,"%d",&op);
        if (op)
        {
            fscanf(f,"%d %d",&a,&b);
            fprintf(g,"%d\n",S[b]-S[a-1]);
        }
        else
        {
            fscanf(f,"%d %d",&a,&b);
            for (j=a;j<=n;j++) S[j]-=b;
        }
    }
    return 0;
}