#include<stdio.h>
#define N 15001
int n,m,a[N],bit,t,v;
void solve()
{
	int i,s=0;
	if(bit==1)
	{
		for(i=t;i<=v;i++)
			s+=a[i];
		printf("%d\n",s);
	}
	else
		a[t]-=v;
}
void read_solve()
{
	int i;
	scanf("%d%d",&n,&m);
	for(i=1;i<=n;i++)
		scanf("%d",&a[i]);
	for(i=1;i<=n;i++)
	{
		scanf("%d%d%d",&bit,&t,&v);
		solve();
	}
}
int main()
{
	freopen("datorii.in","r",stdin);
	freopen("datorii.out","w",stdout);
	read_solve();
	return 0;
}