#include <cplib/tmpl/sheep.hpp>
int main(){
    ii(Q);
    ll A = 0;
    ll B = 0;
    map<ll,ll> alice;
    map<ll,ll> bob;
    rep(i,Q){
        ii(a,b);
        if(alice.count(a) == 0){
            alice[a] = b;
            A++;
        }else{
            ll tmp = alice[a];
            alice[a] = -1;
            if((tmp != -1)){
                A--;
                if(bob.count(tmp) == 0){
                    bob[tmp] = a;
                    B++;
                }else{
                    if(bob[tmp] != -1){
                        bob[tmp] = -1;
                        B--;
                    }
                }
            }
            if(bob.count(b) == 0){
                bob[b] = a;
                B++;
            }else{
                ll tmp = bob[b];
                if(tmp != -1){
                    bob[b] = -1;
                    B--;
                }
            }
        }
        out(A,B);

        
    }
}

answer.code:1:10: fatal error: cplib/tmpl/sheep.hpp: No such file or directory
    1 | #include <cplib/tmpl/sheep.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~
compilation terminated.