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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("datorii.in");
ofstream g("datorii.out");
int n,m,a[15002],x,y,t,v,sum;
bool bin;
int main()
{
f>>n>>m;
for(int i=1;i<=n;i++) f>>a[i];
for(int i=1;i<=m;i++){
f>>bin;
if(bin==true){ sum=0;f>>x>>y;
for(int j=x;j<=y;j++) sum+=a[j];
g<<sum<<endl;
}else{
f>>t>>v;
a[t]-=v;
}
}
f.close();g.close();
return 0;
}