#[allow(dead_code)]
#[allow(unused_imports)]
fn read<T: std::str::FromStr>() -> T {
    use std::io::*;
    let stdin = stdin();
    let stdin = stdin.lock();
    let token: String = stdin
        .bytes()
        .map(|c| c.expect("failed to read char") as char)
        .skip_while(|c| c.is_whitespace())
        .take_while(|c| !c.is_whitespace())
        .collect();
    token.parse().ok().expect("failed to parse token")
}

fn root (par:&Vec<usize>, mut x:usize) -> usize {
    while par[x] != x {
        x = par[x];
    }
    x
}
fn main(){
    let n:usize = read();
    let query:usize = read();
    let mut par:Vec<usize> = (0..n).collect();
    let mut sum = vec![0i64;n];
    let mut sz = vec![1;n];
    for _ in 0..query {
        let t:usize = read();
        let mut a:usize = read();
        let mut b:i64 = read();
        if t == 1 {
            a -= 1;
            let b = b as usize - 1;
            a = root(&par,a);
            let mut b = root(&par,b);
            if a != b {
                if sz[a] < sz[b] {
                    std::mem::swap(&mut a,&mut b);
                }
                sz[a] += sz[b];
                sum[b] -= sum[a];
                par[b] = a;
            }
        }else if t == 2 {
            a -= 1;
            a = root(&par,a);
            sum[a] += b;
        }else {
            a -= 1;
            let mut x = a;
            let mut ans = sum[x];
            while x != par[x] {
                x = par[x];
                ans += sum[x];
            }
            println!("{}",ans);
        }
    }
}