All3

// 4
Console.WriteLine("Enter 2 numbers");
int x = int.Parse(Console.ReadLine());
int y = int.Parse(Console.ReadLine());
int d = x % y;
if (d == 0)
{
Console.WriteLine(x + " divides " + y);
}
else
{
Console.WriteLine(x + " not divides " + y);
}

// 5
Console.WriteLine("Enter a number, operator and number");
int x = int.Parse(Console.ReadLine());
char c = char.Parse(Console.ReadLine());
int y = int.Parse(Console.ReadLine());
if (c == '+')
{
Console.WriteLine(x + y);
}
if (c == '*')
{
Console.WriteLine(x * y);
}
if (c == '-')
{
Console.WriteLine(x - y);
}
if (c == '/' && y == 0)
{
Console.WriteLine("Error");
}
if (c == '/')
{
Console.WriteLine(x / y);
}

// 6
 Console.WriteLine("Welcome to the bar, enter your age");
int age = int.Parse(Console.ReadLine());
if (age < 18)
{
Console.WriteLine("Sorry");
}
else
{
Console.WriteLine("Great. choose 'b' for beer, 'w' for wine");
char c = char.Parse(Console.ReadLine());
if (c == 'b')
{
Console.WriteLine("Your beer is ready");
}
if (c == 'w')
{
Console.WriteLine("Your wine is ready");
}

// 7
Console.WriteLine("Enter heart rate");
int hr = int.Parse(Console.ReadLine());
Console.WriteLine("Enter week");
int wk = int.Parse(Console.ReadLine());
if (wk >= 1 && wk <= 2)
{
if (hr <= 60)
{
Console.WriteLine("You need to run 3 km");
}
if (hr >= 61 && hr <= 70)
{
Console.WriteLine("You need to run 3 km");
}
if (hr > 71)
{
Console.WriteLine("You need to run 3 km");
}
}
if (wk >= 3 && wk <= 4)
{
if (hr <= 60)
{
Console.WriteLine("You need to run 5 km");
}
if (hr >= 61 && hr <= 70)
{
Console.WriteLine("You need to run 5 km");
}
if (hr > 71)
{
Console.WriteLine("You need to run 3 km");
}
}
if (wk >= 5)
{
if (hr <= 60)
{
Console.WriteLine("Tou need to run 10 km");
}
if (hr >= 61 && hr <= 70)
{
Console.WriteLine("You need to run 8 km");
}
if (hr > 71)
{
Console.WriteLine("You need to run 3 km");
}
}