#include<stdio.h>

int arb[32768], val, unde;
//int s[16384];

void adauga(int poz, int st, int dr)
{
	if ((unde>=st) && (unde<=dr))
		arb[poz]+=val;
	if (st==dr) return;
	adauga(poz*2, st, (st+dr)/2);
	adauga(poz*2+1, (st+dr)/2+1, dr);
	return;
}
int intreaba(int poz, int st, int dr)
{
	if ((unde>dr) || (val<st))
		return 0;
	if ((unde<=st) &&(dr<=val))
		return arb[poz];
	return intreaba(poz*2, st, (st+dr)/2) + intreaba(poz*2+1, (st+dr)/2+1, dr);
}

int main()
{
	freopen("datorii.in", "r", stdin);
	freopen("datorii.out", "w", stdout);
	int n, m, tip, i;
	scanf("%d%d", &n, &m);
	for (unde=1; unde<=n; unde++)
	{
		scanf("%d", &val);
		adauga(1, 1, n);
	}
	for (i=1; i<=m; i++)
	{
		scanf("%d%d%d", &tip, &unde, &val);
		if (tip==0)
		{
			val*=-1;
			adauga(1, 1, n);
		}
		else
		{
			printf("%d\n", intreaba(1, 1, n)); 
		}
	}
	
}