19 lines
573 B
Java
19 lines
573 B
Java
import java.util.*;
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public class Main {
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public static void main(String[] args) {
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Scanner sc = new Scanner(System.in);
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int t = sc.nextInt();
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while (t-- > 0) {
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String s = sc.next();
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int k = sc.nextInt();
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HashSet<Character> hs = new HashSet<>();
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for (int i = 0; i < s.length(); i++) {
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hs.add(s.charAt(i));
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}
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if (s.length() >= 26 && hs.size() + k >= 26) {
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System.out.println("YES");
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}else System.out.println("NO");
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}
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}
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}
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