struck

#include <cstdlib>
#include <iostream>

using namespace std;

struct mahasiswa{
           int nim;
           string nama;
           };
     
     int main()
           {
               mahasiswa a [10];//,b;
               for(int i=0;i<3; i++){
               cout<<"input nim 1:";
               cin>>a[i].nim ;
               cout<<"input nama 1:  ";
               cin>>a[i].nama;}
               //cout<<"input nim 2:";
              // cin>>b.nim ;
              // cout<<"input nama 2:  ";
               //cin>>b.nama;
               for(int i=0; i<3; i++){
               cout<<"nim 1:  "<<a[i].nim<<endl;
               cout<<"nama 1:  "<<a[i].nama<<endl;}
               //cout<<"nim 2:  "<<b.nim<<endl;
               //cout<<"nama 2:  "<<b.nama<<endl;
   
   
   
    system("PAUSE");
    return EXIT_SUCCESS;
}