include[HTML_REMOVED]
using namespace std;
const int N=100010;
int n,m,p[N],s[N];
int find(int x)//查找
{
if(x!=p[x])p[x]=find(p[x]);
return p[x];
}
int main()
{
cin>>n>>m;
for(int i=1;i<=n;i++)p[i]=i,s[i]=1;
while(m–)
{
string h;
int a,b;
cin>>h;
if(h==”C”)
{
cin>>a>>b;
if(find(a)==find(b))continue;
s[find(b)]+=s[find(a)];
p[find(a)]=find(b);
}
else if(h=="1")
{
cin>>a>>b;
if(find(a)==find(b))cout<<"yes\n";
else cout<<"no\n";
}
else
{
cin>>a;
cout<<s[find(a)]<<"\n";
}
}
return 0;
}