public class exempel2
{
	public static void main(String args[])
	{
		float a;
		float b;
		float svar = 0;
		char op = '0';
		
		System.out.println("Detta program utfor berakningen a op b (dar op ar + eller -)");
		
		a = input.readFloat();
		op = input.readChar();
		b = input.readFloat();
		
		if(op == '+') 
		{
			svar = a + b;
			System.out.println("Summan ar: " + svar);
		}
		else if(op == '-') 
		{
			svar = a - b;
			System.out.println("Differensen ar: " + svar);	
		}
		else System.out.println("Du gav fel tecken!");
			
		System.out.println("Do you want to quit? (y/n)");
		mode = input.readChar();
	}
}