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#include <fstream>
#include <vector>
using namespace std;
#define zeros(x) x&(-x)
ifstream f("datorii.in");
ofstream g("datorii.out");
int n;
vector<int> aib(10005);
void Add(int x, int quantity)
{
int i;
for (i = x; i <= n; i += zeros(i))
aib[i] += quantity;
}
int Compute(int x)
{
int i, ret = 0;
for (i = x; i > 0; i -= zeros(i))
ret += aib[i];
return ret;
}
int main()
{ int i, x, y, p, m;
f>>n>>m;
for(i=1;i<=n;i++)
{ f>>x;
Add(i,x);
}
for(i=1;i<=m;i++)
{ f>>p>>x>>y;
if(p==0)
Add(x,-y);
else
g<<Compute(y)-Compute(x-1)<<'\n';
}
return 0;
}