#include <cstdio>

#include <cstring>

const int N=;

int h[N],f[N],size[N];

char s[];

inline int find(int x){

    if(f[x]==x)return x;

    int temp=f[x];f[x]=find(f[x]);

    if(temp!=f[x])h[x]+=h[temp];

    return f[x];

}

inline void Unit(int x,int y){

    h[find(x)]=size[find(y)];

    size[find(y)]+=size[find(x)];

    f[find(x)]=find(y);

}

int main(){

    int T,x,y;scanf("%d",&T);

    for(int i=;i<N;i++)f[i]=i,size[i]=,h[i]=;

    while(T--){

        scanf("%s",s);

        if(s[]=='M')scanf("%d%d",&x,&y),Unit(x,y);

        else scanf("%d",&x),find(x),printf("%d\n",h[x]);

    }

}