#include<iostream>
#include<conio.h>
using namespace std;
int main()
{
    int k=0;
    char a[10],b[10];
    cout<<"enter first string:\n";
    for(int i=0;i<10;i++)
    cin>>a[i];
    cout<<endl;
    cout<<"enter second string:\n";
    for(int j=0;j<10;j++)
    cin>>b[j];
    cout<<endl;
    char c[15];
    for(int i=0;i<10;i++,k++)
    c[k]=a[i];
    for(int j=0,k=10;j<20;j++,k++)
    c[k]=b[j];
    cout<<"concat of your string is:\n";
    for(k=0;k<20;k++)
    cout<<c[k];
    cout<<endl;
    cout<<"press any key to exit:";
    getch();
    return 0;
}