struct UnionFind {
    n: usize,
    parents: Vec<usize>,
    size: Vec<usize>,
    vals: Vec<isize>,
}

impl UnionFind {
    fn new(n: usize) -> Self {
        UnionFind {
            n: n,
            parents: (0..n).collect(),
            size: vec![1usize; n],
            vals: vec![0isize; n],
        }
    }

    fn equiv(&mut self, a: usize, b: usize) -> bool {
        self.find(a) == self.find(b)
    }
    
    fn unite(&mut self, a: usize, b: usize) {
        if self.equiv(a, b) { return; }
        let (a, b) = (a.min(b), a.max(b));
        let x = self.find(a);
        let y = self.find(b);
        if self.size[x] <= self.size[y] {
            self.size[y] += self.size[x];
            self.size[x] = 0;
            self.vals[x] -= self.vals[y];
            self.parents[x] = self.parents[y];
        } else {
            self.size[x] += self.size[y];
            self.size[y] = 0;
            self.vals[y] -= self.vals[x];
            self.parents[y] = self.parents[x];
        }
    }

    fn find(&mut self, a: usize) -> usize {
        if self.parents[a] == a { return a; }
        let p = self.find(self.parents[a]);
        p
    }

    fn addval(&mut self, idx: usize, val: isize) {
        let idx = self.find(idx);
        self.vals[idx] += val;
    }

    fn getval(&self, idx: usize) -> isize {
        let mut ret = self.vals[idx];
        let mut idx = idx;
        while self.parents[idx] != idx {
            idx = self.parents[idx];
            ret += self.vals[idx];
        }
        ret
    }
}

fn main() {
    let mut nq = String::new();
    std::io::stdin().read_line(&mut nq).ok();
    let nq: Vec<usize> = nq.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let n = nq[0];
    let q = nq[1];
    let queries = (0..q).map(|_| {
            let mut temp = String::new();
            std::io::stdin().read_line(&mut temp).ok();
            let temp: Vec<isize> = temp.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
            (temp[0] as usize, temp[1] as usize, temp[2] as isize)
        })
        .collect::<Vec<_>>();

    let mut uf = UnionFind::new(n);
    for &(t, a, b) in queries.iter() {
        if t == 1 {
            uf.unite(a-1, b as usize - 1);
        } else if t == 2 {
            uf.addval(a-1, b);
        } else {
            println!("{}", uf.getval(a-1));
        }
    }
}