#include <bits/stdc++.h> using namespace std; set<int>sp[8001]; int n,k,sum[8001]; int main(){ cin>>n>>k; for(int i=1;i<=n;i++)sum[i]=1,sp[i].insert(i); k=k+n-1; while(k--){ char s;cin>>s; if(s=='S'){ int x,y;cin>>x>>y; for(auto j:sp[x]) { sp[y].insert(j); } for(auto j:sp[y]) { sp[x].insert(j); } for(auto j:sp[y]) { sum[j]++; } }else if(s=='Q'){ int a,d;cin>>a>>d; if(sp[a].find(d)!=sp[a].end()){ cout<<"yes"<<endl; }else cout<<"no"<<endl; }else{ int x;cin>>x; cout<<sum[x]<<endl; } } return 0; }