#include <bits/stdc++.h>
using namespace std;
int n;
long long c[100010];
int lowb(int x)
{
	return x & -x;
}
long long getsum(int x)
{
	long long sum=0;
	while(x>0)
	{
		sum+=c[x];
		x-=lowb(x);
	}
	return sum;
}
void chang(int a,int b)
{
	while(a<=n)
	{
		c[a]+=b;
		a+=lowb(a);
	}
}
int main()
{
	int a[100010];
	int m;
	freopen("shulieb.in","r",stdin);
	freopen("shulieb.out","w",stdout);
	cin>>n;
	a[0]=0;
	for (int i=1;i<=n;i++) {
		cin>>a[i];
		chang(i,a[i]-a[i-1]);
	}
	cin>>m;
	string s;
	int x,y,k;
	for (int i=1;i<=m;i++)
	{
		cin>>s;
		if (s=="QUERY"){
			cin>>x;
			cout<<getsum(x)<<endl;
		} 
		else {
			cin>>x>>y>>k;
			chang(x,k);
			chang(y+1,-k);
		}	
	}
	return 0;
}