Character Predictor in C++

Character Predictor in C++

#include<iostream>
using namespace std;
int main()
{
char a=NULL;
int aa=0;

cout<<"Infinite character Predicator in C++"<<endl;
cout<<"Press 00 for exist 11 for continue "<<endl;
while(1)
{
cout<<"Enter Character =";
cin>>a;
if(a>=32 && a<=47)
{
cout<<"you have eneterd special charater with the Ascii Value="<<int(a)<<endl;
}
if(a>=48 && a<=57)
{
cout<<"you have eneterd Digits charater with the Ascii Value="<<int(a)<<endl;
}
if(a>=58 && a<=63)
{
cout<<"you have eneterd Relational Operators charater with the Ascii Value="<<int(a)<<endl;
}
if(a>=65 && a<=90)
{
cout<<"you have eneterd Capital A-Z charater with the Ascii Value="<<int(a)<<endl;
}
if(a>=90 && a<=122)
{
cout<<"you have eneterd Small a-z charater with the Ascii Value="<<int(a)<<endl;
}
if((a>=91 && a<=96) || (a>=123 &&  a<=127))
{
cout<<"you have eneterd Brackets and ' '_ charater with the Ascii Value="<<int(a)<<endl;
}

cout<<"Want ot Exist press 00=";
cin>>aa;
if(aa==00)
{
  break;
}



}



system("pause");

return 0;
}