C++ program to create a phone map

#include <iostream>
#include <map>
#include<string>
using namespace std;
int main()
{
string name;
int number;
map<string,int> phone;
cout<<"Enter 3 set of numbers and names\n";
for(int i=0;i<3;i++)
{
cin>>name;
cin>>number;
phone[name]=number;
}
cout<<"\nSize of map: "<<phone.size()<<endl;
cout<<"List of phone numbers\n";
map<string,int>::iterator p;
for(p=phone.begin(); p!=phone.end();p++)
{
cout<<(*p).first<<" "<<(*p).second<<endl;
}
cout<<"\nEnter name to search  ";
cin>>name;
number=phone[name];
cout<<"number : "<<number<<endl;
return 0;


}