import java.util.Scanner; public class SubStr { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String s1 = sc.nextLine(); String s2 = sc.nextLine(); int i = 0; boolean isPart = false; while(i <= s1.length() - s2.length()){ if(s1.substring(i, i + s2.length()).equals(s2)){ isPart = true; break; } else{ i++; } } if(isPart){ System.out.println("YES"); }else{ System.out.println("NO"); } } }