import sys
sys.setrecursionlimit(500000)

def find(x):
    if par[x] == x:
        return x
    else:
        # par[x] = find(par[x]) #経路圧縮
        # return par[x]
        return find(par[x]) #経路圧縮なし

def same(x,y):
    return find(x) == find(y)

def unite(x,y):
    x = find(x)
    y = find(y)
    if x == y:
        return 0
    if x < y:
        par[y] = x
    else:
        par[x] = y

N,Q = map(int,input().split())
TAB = [list(map(int,input().split())) for _ in range(Q)]

par = [i for i in range(N+1)]
B = [0] * (N+1)
for i,(t,a,b) in enumerate(TAB):
    if t == 1:
        pa = find(a)
        pb = find(b)
        if pa == pb:
            continue
        if pa < pb:
            B[pb] -= B[pa]
        else:
            B[pa] -= B[pb]
        unite(pa,pb)

    elif t==2:
        pa = find(a)
        B[pa] += b
    else:
        ans = 0
        while 1:
            ans += B[a]
            c = par[a]
            if a == c:
                break
            a = c
        print(ans)