```java
public class CSESRangeQuery {
    int[] facts, logic; int n, m; int[] a;
    public void solve(int testNumber, FastScanner br, PrintWriter pw) {
        n = br.nextInt(); m = br.nextInt(); a = br.nextIntArray(n);
        facts = new int[4*n]; logic = new int[4*n]; //logic is lazy
        build(0,0,n-1);
        for(int i = 0; i < m; i++){
            int qt = br.nextInt();
            if(qt == 1){
                int ql = br.nextInt(); int qr = br.nextInt(); int qv = br.nextInt();
                update(0,0,n-1,ql,qr,qv);
            }
            else{
                int ind = br.nextInt();
                pw.println(query(0,0,n-1,ind));
            }
        }
        pw.close();
    }
    public void build(int v, int l, int r){
        if(l == r){
            facts[v] = a[l];
        }
        else{
            int m = (l+r)/2;
            build(2*v+1, l, m);
            build(2*v+2, m+1, r);
            facts[v] = facts[2*v+1] + facts[2*v+2];
        }
    }
    public int query(int v, int l, int r, int qi){
        if(l > qi || r < qi){
            return 0;
        }
        if(logic[v] != 0){
            facts[v] += logic[v];
            if(l != r){
                logic[2*v+1] += ((r - l + 1) * logic[v]);
                logic[2*v+2] += ((r - l +1) * logic[v]);
            }
            logic[v] = 0;
        }
        if(l == r){
            return facts[v];
        }
        int m = (l+r)/2;
        int a = query(2*v+1, l, m, qi);
        int b = query(2*v+1, m+1, r, qi);
        return a + b;
    }

    public void update(int v, int l, int r, int ql, int qr, int x){
        if(logic[v] != 0){
            facts[v] += ((r - l + 1) * logic[v]);
            if(l != r){
                logic[2*v+1] += logic[v];
                logic[2*v+2] += logic[v];
            }
            logic[v] = 0;
        }
        if(l > qr || r < ql){
            return;
        }
        if(l >= ql && r <= qr){
            facts[v] += ((r - l + 1) * x);
            if(l != r){
                logic[2*v+1] += x;
                logic[2*v+2] += x;
            }
            return;
        }
    }
```