#include <stdio.h>
#include <stdlib.h>
void citireVector(int v[], int nr)
{
int i, x;
for(i=0;i<nr;i++)
{
scanf("%d", &x);
v[i] = x;
}
}
int suma(int v[], int in, int fin)
{
int i, s;
s = 0;
for(i=in-1;i<fin;i++)
{
if(v[i] == 0)
{
i++;
}
else
{
s = s + v[i];
}
}
return s;
}
void rezolvare(int v[], int nr, int m)
{
int op, x, y, i;
for(i=0;i<m;i++)
{
scanf("%d %d %d", &op, &x, &y);
if(op == 1)
{
printf("%d\n", suma(v, x, y));
}
else
{
v[x-1] -= y;
}
}
}
int main()
{
freopen("datorii.in", "r", stdin);
freopen("datorii.out", "w", stdout);
int nr, m;
int v[15001];
scanf("%d %d", &nr, &m);
citireVector(v, nr);
rezolvare(v, nr, m);
fclose(stdin);
fclose(stdout);
return 0;
}