# include <cstdio>
# define N 30010
using namespace std;
int T[N],a[N];
int n,m,i,op,x,y;
inline void actualizare(int nod, int st, int dr, int val, int poz)
{
int m;
if(dr<=poz && poz<=st)
{
T[nod]+=val;
return;
}
m=(st+dr)>>1;
if(poz<=m) actualizare((nod<<1), st, m, val, poz);
else actualizare((nod<<1)+1, m+1, dr, val, poz);
T[nod]+=val;
}
inline int interogare(int nod, int st, int dr, int x, int y)
{
int x1=0,x2=0;
int m;
if(x<=st && dr<=y) return T[nod];
m=(st+dr)>>1;
if(x<=m) x1=interogare((nod<<1), st, m, x, y);
if(m<y) x2=interogare((nod<<1)+1, m+1, dr, x, y);
return (x1+x2);
}
int main()
{
freopen("datorii.in", "r", stdin);
freopen("datorii.out", "w", stdout);
scanf("%d %d\n", &n, &m);
for(i=1; i<=n; ++i)
{
scanf("%d", a+i);
actualizare(1,1,n,a[i],i);
}
for(i=1; i<=m; ++i)
{
scanf("%d %d %d\n", &op, &x, &y);
if(op) printf("%d\n", interogare(1,1,n,x,y));
else actualizare(1,1,n,-y,x);
}
fclose(stdin);
fclose(stdout);
return 0;
}