class UnionFind:
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n
 
    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]
 
    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)
        if x == y:
            return
        if self.parents[x] > self.parents[y]:
            x, y = y, x
 
        self.parents[x] += self.parents[y]
        self.parents[y] = x
 
    def size(self, x):
        return -self.parents[self.find(x)]
    
from collections import deque

n,q= map(int,input().split())
nots = set()
uf = UnionFind(n+1)
for i in range(1,n+1):
    nots.add(i)
s=set()
lis=deque()
for i in range(q):
    t = list(map(int,input().split()))
    if t[0] == 1:
        x,y=t[1],t[2]
        if x > y:
            x,y = y,x
        nots.discard(x)
        nots.discard(y)
        uf.union(x,y)
        fx=uf.find(x)
        if fx not in s:
            s.add(x)
            lis.append(x)
    else:
        x=t[1]
        fx=uf.find(x)
        if fx not in s:
            xx=x+1
            if xx == n+1:
                xx = 1
            print(xx)
            
        else:
            if uf.size(fx) == n:
                print(-1)
            elif len(nots) > 0:
                for i in nots:
                    print(i)
                    break
            else:
                while len(lis)>1:
                    if fx == lis[-1]:
                        lis.appendleft(lis.pop())
                    else:
                        if fx == uf.find(lis[-1]):
                            lis.pop()
                        else:
                            print(lis[-1])
                            break