#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define all(x) (x).begin(), (x).end()
using namespace std;
typedef long long ll;
typedef pair<int, int> P;
const int N = 2e3+9, INF = 0x3f3f3f3f;

int main( void ) {
    ios::sync_with_stdio( false );
    int q, n, x;
    cin >> q;
    list<int> ls;
    list<int>::iterator it = ls.begin();
    while( q-- ) {
        cin >> n;
        if( n < 2 ) cin >> x;
        if( n == 0 ) it = ls.insert( it, x );
        else if( n == 1 ) {
            for( int i = 0; i < abs(x); ++i ) {
                if( x < 0 ) it--;
                else it++;
            }
        }
        else it = ls.erase( it );
    }
    for( it = ls.begin(); it != ls.end(); ++it ) cout << *it << '\n';
    return 0;
}


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             */



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