import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

import numpy as np

class DJSet():
    
    def __init__(self, n):
        self.upper = np.empty((n), int)
        self.weight = np.empty((n), int)
        for i in range(n):
            self.upper[i] = -1
            self.weight[i] = 0

    def equiv(self, x, y):
        return self.root(x) == self.root(y)

    def root(self, x):
        if self.upper[x] < 0:
            return x
        else:
            return self.root(self.upper[x])

    def get_weight(self, x):
        if self.upper[x] < 0:
            return self.weight[x]
        else:
            return self.weight[x] + self.get_weight(self.upper[x])
    def setUnion(self, x, y):
        x = self.root(x)
        y = self.root(y)
        if x == y:
            return
        if self.upper[x] < self.upper[y]:
            x ^= y
            y ^= x
            x ^= y
        self.upper[y] = self.upper[y] + self.upper[x]
        self.upper[x] = y
        self.weight[x] = self.weight[x] - self.weight[y]

    def add_weight(self, x, w):
        x = self.root(x)
        self.weight[x] = self.weight[x] + w
        
def run():
    N, Q = map(int, readline().split())
    ds = DJSet(N)
    for q in range(Q):
        T, A, B = map(int, readline().split())
        A = A - 1
        if (T == 1):
            B = B - 1
            if (ds.equiv(A, B)):
                continue
            ds.setUnion(A, B)
        elif (T == 2):
            ds.add_weight(A, B)
        elif (T == 3):
            print(ds.get_weight(A))
    
run()