#include <iostream>
#include <cstdio>


using namespace std;
const int N = 1e5 + 10;
int p[N], cnt[N]; //size变量名会冲突


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




int main () {
    int n, m;
    cin >> n >> m;

    for (int i = 0; i < n; i++) {
        p[i] = i;
        cnt[i] = 1;
    }

    while (m--) {
        string op;
        int a, b;
        cin >> op;

        if (op == "C")
        {
            cin >> a >> b;
            a = find(a), b = find(b);
            if (a != b)
            {
                p[a] = b;
                cnt[b] += cnt[a];
            }
        }
        else if (op == "Q1")
        {
            cin >> a >> b;
            if (find(a) == find(b)) puts("Yes");
            else puts("No");
        }
        else
        {
            cin >> a;
            cout << cnt[find(a)] << endl;
        }

    }

    return 0;
}