import java.util.*;
 
public class Main {
  public static void main(String[] args) {
    try (Scanner sc = new Scanner(System.in)) {
      int A = sc.nextInt();
      int B = sc.nextInt();
      // 6歳以上 12 歳以下の人はその半額で乗ることができ、
      // さらに5 歳以下の人は無料
      int ans = B;
      if (A <= 12) {
        ans = B / 2;
        if (A <= 5) {
          ans = 0;
        }
      }
 
      System.out.println(ans);
    }
  }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz