#include<iostream>
using namespace std;
#include<string>
#include<conio.h>
void main()
{
string str,str2;
cout<<"Enter First String = ";
cin>>str;
cout<<"Enter 2nd String = ";
cin>>str2;
str.append(" ");
str.append(str2);
cout<<"After concatenation = "<<str;
getch();
}
using namespace std;
#include<string>
#include<conio.h>
void main()
{
string str,str2;
cout<<"Enter First String = ";
cin>>str;
cout<<"Enter 2nd String = ";
cin>>str2;
str.append(" ");
str.append(str2);
cout<<"After concatenation = "<<str;
getch();
}