#include <bits/stdc++.h>
using namespace std;
const int N = 1000010;
int p[N];
int find(int x)
{
if(p[x] != x) p[x] = find(p[x]);
return p[x];
}
int main()
{
int n, m;
scanf("%d%d", &n, &m);
for(int i = 0; i < n; i ++) p[i] = i;
while(m --)
{
char op[2];
int a, b;
scanf("%s%d%d", op, &a, &b);
if(op[0] == 'M') p[find(a)] = find(b);
else
if(find(a) == find(b)) cout << "Yes" << endl;
else cout << "No" << endl;
}
return 0;
}