#include<cstdio>

#include<iostream>

#include<map>

#include<set>

#define R register int

using namespace std;

int n,cnt;

set<int> s[];

map<int,int>mp;

int fa[];

inline int g() {

    R ret=,fix=; register char ch; while(!isdigit(ch=getchar())) fix=ch=='-'?-:fix;

    do ret=ret*+(ch^); while(isdigit(ch=getchar())); return ret*fix;

}

int getf(int x) {return x==fa[x]?x:fa[x]=getf(fa[x]);}

signed main() {

    n=g(); for(R i=;i<=n*+;++i) fa[i]=i;

    for(R i=;i<=n;++i) {

        R x=g(),y=g(),p=g();

        if(mp[x]) x=mp[x]; else x=mp[x]=++cnt;

        if(mp[y]) y=mp[y]; else y=mp[y]=++cnt;

        x=getf(x),y=getf(y); if(s[x].size()<s[y].size()) swap(x,y);

        if(p&) {

            if(s[x].count(y)) putchar('N'),putchar('O'),putchar('\n');

            else if(x!=y) { fa[y]=x;

                for(set<int>::iterator it=s[y].begin();it!=s[y].end();it++)

                    s[*it].insert(x),s[x].insert(*it);

                putchar('Y'),putchar('E'),putchar('S'),putchar('\n');

            } else putchar('Y'),putchar('E'),putchar('S'),putchar('\n');

        } else {

            if(x==y) putchar('N'),putchar('O'),putchar('\n');

            else s[x].insert(y),s[y].insert(x),

                putchar('Y'),putchar('E'),putchar('S'),putchar('\n');

        }

    }

}