#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N=100010;
int p[N],cnt[N];

int find(int x)
{
    if(p[x]!=x) p[x]=find(p[x]);
    return p[x];
}

signed main()
{
    int n,m;
    cin>>n>>m;
    for(int i=1;i<=n;i++)
    p[i]=i,cnt[i]=1;
    for(int i=1;i<=m;i++)
    {
        string s;
        cin>>s;
        int a,b;
        if(s=="C")
        {
            cin>>a>>b;
            if(find(a)!=find(b))
            {
                cnt[find(b)]+=cnt[find(a)];
                p[find(a)]=find(b);
                //cout<<find(a)<<' '<<find(b)<<endl;
                //cnt[find(b)]+=cnt[find(a)];
            }
        }
        else if(s=="Q1")
        {
            cin>>a>>b;
            if(find(a)==find(b))
            cout<<"Yes"<<endl;
            else
            cout<<"No"<<endl;
        }
        else
        {
            cin>>a;
            cout<<cnt[find(a)]<<endl;
        }
    }
    return 0;
}