package com.company;


import java.util.Scanner;

public class Main {


    public static void main(String[] args) {
        int N = enterValue("Enter value N");
        int M = enterValue("Enter value M");
        int[][] matrix = new int[N][M];
        int[] vector = new int[M];
        matrix = getMatrixFromConsole(N, M);
        vector = getVectorFromConcole(M);
        vector = multiMatrixAndVector(matrix, vector);
        for (int i: vector) {
            System.out.println(i);
        }
    }

    static Scanner sc = new Scanner(System.in);

    static int[] multiMatrixAndVector(int[][] matrix, int[] vector) {
        int[] resVector = new int[vector.length];

        for (int i = 0; i < matrix[1].length; i++) {
            for (int j = 0; j < matrix.length; j++) {
                resVector[i] += matrix[j][i] * vector[j];
            }
        }
        return resVector;
    }

    static int[] getVectorFromConcole(int M) {
        System.out.println("Enter your vector");
        boolean isNotCorrect = true;
        int[] vector = new int[M];
        String line;
        do {
            try {
                line = sc.nextLine();
                String[] arrFillings = line.split(" ");
                for (int i = 0; i < M; i++) {
                    vector[i] = Integer.parseInt(arrFillings[i]);
                }
                    isNotCorrect = false;
            } catch (Exception e) {
                System.out.println(e);
            }

        } while (isNotCorrect);
        return vector;

    }

    static int enterValue(String msg) {
        System.out.println(msg);
        try {
            return sc.nextInt();
        } catch (Exception e) {
            System.out.println("Invalid data, try again");
            sc.nextLine();
            return enterValue(msg);
        }
    }

    static int[][] getMatrixFromConsole(int N, int M) {
        System.out.println("Enter your matrix");
        int[][] matrix = new int[N][M];
        boolean isNotCorrect = true;
        do {
            try {
                for (int i = 0; i < N; i++) {
                    String line = sc.nextLine();
                    String[] arrFilings = line.split(" ");
                    for (int j = 0; j < M; j++) {
                        matrix[i][j] = Integer.parseInt(arrFilings[j]);
                    }

                }
                isNotCorrect = false;
            } catch (Exception e) {
                System.out.println(e);
            }
        } while (isNotCorrect);
        return matrix;
    }

}