//
// Quiz5.java: solution to quiz 5
//

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.stream.IntStream;
import java.util.stream.Stream;

public class Quiz5 {
    public static void main(String[] args) {

        // .range returns a list of numbers from the start to the
        //     finish - a good way to generate a list of numbers
        //     (in this case, the range is 10000 to 19999)
        IntStream nums1 = IntStream.range(10000, 20000);

        // TODO: use stream operations (and lambda expressions) to count
        //       the number of numbers in nums1 that are divisible by 7
        long divisibleBy7 = 

        System.out.println("Divisible by 7: " + divisibleBy7);

        IntStream nums2 = IntStream.range(0, 100);

        // TODO: use stream operations and lambda expressions to
        //       map nums2 into squares and then take their sum

        long sqSum = 

        System.out.println("Sum of squares for 0..100: " + sqSum);

        // read lines of input into wordStream:
        BufferedReader in =
            new BufferedReader(new InputStreamReader(System.in));
        Stream<String> wordStream = in.lines();

        // TODO: use stream operations (such as filter, forEach) to
        //       print all strings which are longer than 4 letters, 
        //       one per line. You cannot use if, for, or while in your
        //       answer.

    }

}