Unexpected end of file found

#include <iostream>
#include <stdlib.h>
using namespace std;
class Zayavka {
char *nomeravtobysa, *FIO, *nomermarshryta, *park;
public:
Zayavka() {
nomeravtobysa = "73";
FIO = "Yakov4ykDima";
nomermarshryta = "198";
park = "da";
}
Zayavka(char *nomeravtobysa1, char *FIO1, char *nomermarshryta1, char *park1) {
nomeravtobysa = nomeravtobysa1;
FIO = FIO1;
nomermarshryta = nomermarshryta1;
park = park1;
}
void GetInfo(char *a0, char *a1, char *a2, char *a3) {
nomeravtobysa = a0;
FIO = a1;
nomermarshryta = a2;
park = a3;
}
void writeDat() {
cout << nomeravtobysa << " " << FIO << " " << nomermarshryta << " " << park <<endl;
}
void SrchnShow(char *a3) {
    for(int i=1;i<n;i++)
    {
 
if(a3=="da")
cout<< nomeravtobysa << " " << FIO << " " << nomermarshryta << " " << park <<endl;
else cout<<"V parke net avtobysov!"<<endl;
}
};
void main() {
int a=1;
int n=1;
Zayavka *lib = new Zayavka[n];
while (a!=0) {
cout << "Rabota so spiskom:"<<endl;
cout << "1. Vivesti v vide spiska.\n";
cout << "2. Dobavit avtobys. \n";
cout << "3. Vivod avtobysov kotorie v parke:  \n";
cout << "0. Exit. \n";
cin >> a;
if (a == 1) {
for (int i = 1; i< n; i++)
lib[i].writeDat();
}
if (a == 2) {
cout << "Vvedite dannie (1.nomeravtobysa 2.FIO 3.nomermarshryta 4.V parke (Y/N?)):" << endl;
char  *a0 = new char[20], *a1 = new char[20], *a2 = new char[20], *a3 = new char[20];
cin >> a0 >> a1 >> a2 >> a3;
lib[n++].GetInfo(a0,a1,a2,a3);
delete  a1, a2, a3;
}
if (a == 3)
 {
cout<<"SPISOK AVTOBYSOV KOTORIE V PARKE:"<<endl;
lib[i].SrchnShow(); 
}
}
system("pause");
}

delete  a1, a2, a3;

delete a1;
delete a2;
delete a3;