C :

#include<stdio.h>
#include<string.h>
int main()
{
	char a[102],b[102];
	int i,l1,l2;
	gets(a);
	gets(b);
	l1=strlen(a);
	l2=strlen(b);
	for(i=0;i<l2;i++)
	{
		a[i]=b[i];
	}
	a[l2]='\0';
	puts(a);
	return 0;
}

C++ :

#include <stdio.h>
#include <string.h>
int main() {
	char str[2][101];
	int i;
	for (i = 0;i < 2;i++)
		gets(str[i]);
	for (i = 0;str[1][i] != '\0';i++)
		str[0][i] = str[1][i];
	str[0][i] = '\0';
	printf("%s\n", str[0]);
	return 0;
}

Pascal :

var 
  sa,sb:string;
  
begin
  readln(sa);
  readln(sb);
  writeln(sb); //C语言的字符串处理，与pascal不同个
end.

Java :

import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner cin=new Scanner(System.in);
		cin.nextLine();
		String s2=cin.nextLine();
		System.out.println(s2);
		cin.close();
	}

}

Python :

a = raw_input()
b = raw_input()
print (b)