public class VariablesAssignment
{
	public static void main(String[] args)
	{
		problem1();
		problem2();
		problem3();
		problem4();
	}

	public static void problem1()
	{
		System.out.println("1:");
		int a = 57, b = 25, c = 6;
		int answer = a*(b-c);
		System.out.println(answer);
	}

	public static void problem2()
	{
		System.out.println("\n2:");
		double answer = 4.0/27;
		System.out.println(answer);
	}

	public static void problem3()
	{
		System.out.println("\n3:");
		char c = 'C';
		System.out.println((char)((int)c + 13));
	}

	public static void problem4()
	{
		System.out.println("\n4:");
		String name = "First Last";
		String first =  name.substring(0,5);
		String second = name.substring(6,10);
		System.out.println(name);
		System.out.println(first);
		System.out.println(second);
		System.out.println("Letters in First: " + first.length());
		System.out.println("Letters in Last: " + second.length());
	}
}