import java.util.Scanner;
import java.lang.String;
public class StringEquality {
public static void main(String[] args) {
Scanner S1 = new Scanner(System.in);
Scanner S2 = new Scanner(System.in);
String s1 = S1.nextLine();
String s2 = S2.nextLine();
if (s1.startsWith(s2)){
System.out.println("true");
} else{
System.out.println("false");
}
}
}