Java solution:

import java.io.; import java.math.; import java.security.; import java.text.; import java.util.; import java.util.concurrent.; import java.util.function.; import java.util.regex.; import java.util.stream.*; import static java.util.stream.Collectors.joining; import static java.util.stream.Collectors.toList;

class Result {

public static int check_round(int number)
{
    if(number<38)
    {
        return number;
    }
    int tens=number%10;
    if(tens==3||tens==8)
    {
        return number+2;
    }
    if(tens==4||tens==9)
    {
        return number+1;
    }
    return number;
}

/*
 * Complete the 'gradingStudents' function below.
 *
 * The function is expected to return an INTEGER_ARRAY.
 * The function accepts INTEGER_ARRAY grades as parameter.
 */

public static List<Integer> gradingStudents(List<Integer> grades) {
// Write your code here

List<Integer> answer=new ArrayList<>();

for(Integer num:grades)
{
    answer.add(check_round(num));
}
return answer;

} }

public class Solution { public static void main(String[] args) throws IOException { BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

    int gradesCount = Integer.parseInt(bufferedReader.readLine().trim());

    List<Integer> grades = IntStream.range(0, gradesCount).mapToObj(i -> {
        try {
            return bufferedReader.readLine().replaceAll("\\s+$", "");
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }
    })
        .map(String::trim)
        .map(Integer::parseInt)
        .collect(toList());

    List<Integer> result = Result.gradingStudents(grades);

    bufferedWriter.write(
        result.stream()
            .map(Object::toString)
            .collect(joining("\n"))
        + "\n"
    );

    bufferedReader.close();
    bufferedWriter.close();
}

}