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#include <cstdio>
#define nmax 15010
#define lsb(a) (a&(-a))
using namespace std;
int arb[nmax];
int n,m;
inline void swap(int &a,int &b) {
int aux = b;
b = a;
a = aux;
}
void update(int val,int pos) {
while (pos <= n) arb[pos] += val,pos += lsb(pos);
}
int query(int pos) {
int sum = 0;
while (pos != 0) sum += arb[pos],pos -= lsb(pos);
return sum;
}
void A() {
int a,b;
scanf("%d %d",&a,&b);
update(-b,a);
}
void B() {
int a,b,r;
scanf("%d %d\n",&a,&b);
if (a > b) swap(a,b);
if (a > 1) r = query(b) - query(a-1);
else r = query(b);
printf("%d\n",r);
}
int main() {
freopen("datorii.in","r",stdin);
freopen("datorii.out","w",stdout);
scanf("%d %d\n",&n,&m);
for (int i=1;i<=n;i++) {
int aux;
scanf("%d",&aux);
update(aux,i);
}
for (int i=1;i<=m;i++) {
int type;
scanf("%d",&type);
if (type == 0) A();
else if (type == 1) B();
}
return 0;
}