exercises 28/10

//exercise #1
int x, mone0=0, mone1 = 0;
            for (int i = 0; i < 10; i++)
            {
                x = int.Parse(Console.ReadLine());
                if (x > 0)
                    mone0 += 1;
                if (x < 0)
                    mone1 += 1;
            }
                Console.WriteLine("hiuviim: {0}, shliliim: {1}", mone0, mone1);

//exercise #2
            int i, mone0 = 0, mone1 = 0, mone2 = 0, grade;
            for (i = 0; i < 10; i++)
            {
                grade = int.Parse(Console.ReadLine());
                if (grade >= 90 && grade <= 100)
                    mone0 += 1;
                if (grade >= 60 && grade <= 90)
                    mone1 += 1;
            mone2+=grade;
            }
            Console.WriteLine("above 60: {0}, above 90: {1}, memuza: ", mone1, mone0, (mone2 / mone1));

//exercise #3
            int i, mone = 0 ,x, y;
            for (i = 0; i < 20; i++)
            {
                x = int.Parse(Console.ReadLine());
                y = int.Parse(Console.ReadLine());
                if ((x + y) % 2 == 0 && x > 0 && y > 0)
                    mone += 1;
            }
            Console.WriteLine(mone);

//exercise #4
            int needed, actual, i, male = 0, helki = 0, none = 0;
            needed = int.Parse(Console.ReadLine());
            for (i = 0; i < 30; i++)
            {
                actual = int.Parse(Console.ReadLine());
                if (actual == 30)
                    male++;
                else if (actual > 1)
                    helki++;
                else
                    none++;
            }
            Console.WriteLine("male: {0}, helki {1}, 0: {2}", male, helki, none);