#include <cstdio>
using namespace std;

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

int v[15001];
int main(){
	int n,m,a,b,c,i,j,s;
	
	fscanf (f,"%d%d",&n,&m);
	
	for (i=1;i<=n;++i){
		fscanf (f,"%d",&v[i]);
	}
	
	for (i=1;i<=m;++i){
		fscanf (f,"%d%d%d",&a,&b,&c);
		if (a==0){
			v[b]-=c;
		}
		else{
			s=0;
			for (j=b;j<=c;++j){
				s+=v[j];
			}
			fprintf (g,"%d\n",s);
		}
	}
	
	return 0;
}