#include<cstdio>
#include<string>
#include<vector>
#include<set>
#include<iostream>
#include<fstream>
#include<algorithm>
using namespace std;
#define sc scanf
#define pr printf
#define fr first
#define se second
#define pb push_back
#define mp make_pair
const int MN = 5010;
const int MM = 5010;
const int mod = 1000000007;
int q, f;
string p_naz, dt, s;
struct fio{
    string f, i, o;
    bool operator<(fio x)const{
        if(f<x.f)return 1;
        if(f>x.f)return 0;
        if(i<x.i)return 1;
        if(i>x.i)return 0;
        if(o<x.o)return 1;
        return 0;
    }
};
struct data{
    fio A;
    string ph, bd, sb;
    bool operator<(data x)const{
        return A<x.A;
    }
};
struct data2{
    fio A;
    string ph, bd, sb;
    bool operator<(data2 x)const{
        return bd<x.bd;
    }
};
set<data>base;
set<data>::iterator it;
set<data2>po_bd;
set<data2>::iterator it2;
int main(){
    while(1){
        pr("Viberite nomer operacii\n");
        pr("0. Vyhod\n");
        pr("1. Dobavit studenta\n");
        pr("2. Sohranit vsego spisok v fayl\n");
        pr("3. Otkrit spisok iz faila\n");
        pr("4. Vyvodit dannie studenta po nomeru studbileta\n");
        pr("5. Vyvodit studentov otsartirovannuyu po date rojdeniya\n");
        cin>>q;
        if(q == 0){
            return 0;
        }
        if(q == 1){
            data n;
            data2 n2;
            cout<<"FIO cherez probel: ";
            cin>>n.A.f>>n.A.i>>n.A.o;
            n2.A.i = n.A.i;
            n2.A.f = n.A.f;
            n2.A.o = n.A.o;
            cout<<"Telefon: ";
            cin>>n.ph;
            n2.ph = n.ph;
            cout<<"Data rojdeniya v formate ggggmmdd: ";
            cin>>n.bd;
            n2.bd = n.bd;
            cout<<"nomer studbileta: ";
            cin>>n.sb;
            n2.sb = n.sb;
            base.insert(n);
            po_bd.insert(n2);
        }
        if(q == 2){
            ofstream fout("out.txt");
            for(it = base.begin(); it != base.end(); it++){
                fout<<it->A.f<<" "<<it->A.i<<" "<<it->A.o<<" "<<it->ph<<" "<<it->bd<<" "<<it->sb<<endl;
            }
            fout.close();
        }
        if(q == 3){
            ifstream fin("in.txt");
            while(1){
                data n;
                data2 n2;
                fin>>n.A.f>>n.A.i>>n.A.o>>n.ph>>n.bd>>n.bd>>n.sb;
                if(n.A.f.size() == 0){
                    break;
                }
                n2.A.f = n.A.f;
                n2.A.i = n.A.i;
                n2.A.o = n.A.o;
                n2.ph = n.ph;
                n2.sb = n.sb;
            }
            fin.close();
        }
        if(q == 4){
            cout<<"Vvodite nomer studbileta: "<<endl;
            cin>>s;
            for(it = base.begin(); it != base.end(); it++){
                if(it->sb == s){
                    break;
                }
            }
            if(it == base.end()){
                cout<<"Takoy student ne sushestvuet"<<endl;
            }
            else {
                cout<<it->A.i<<" "<<it->A.f<<" "<<it->A.o<<" "<<it->ph<<" "<<it->bd<<" "<<it->sb<<endl;
            }
        }
        if(q == 5){
            for(it2 = po_bd.begin(); it2 != po_bd.end(); it2++){
                cout<<it2->A.f<<" "<<it2->A.i<<" "<<it2->A.o<<" "<<it2->ph<<" "<<it2->bd<<" "<<it2->sb<<endl;
            }
        }
    }
    return 0;
}