//Sort an array of 3 names
#include <iostream>
#include<string>
using namespace std;
void swap(string &n1, string &n2)
//receive  strings n1 and n2, exchange
{ string temp;
  temp=n1;
  n1=n2;
  n2=temp; 
} //swap

void main() //input 3 names, sort, print
{ string names[3]; //3 names: [0],[1],[2]
  int index;
  for(index=0; index<3; index++)
  {  cout<<"enter a name: ";
     getline(cin,names[index]); 
  } //for loop
  if (names[0]>names[1])
    swap(names[0],names[1]);
  if (names[1]>names[2]) 
    swap(names[1],names[2]);
  if (names[0]>names[1]) 
    swap(names[0],names[1]);
  for(index=0; index<3; index++)
    cout<<names[index]<<"\n";
} //main