public class ParameterUndSo{
    
    public static void summe(int a, int b){
        
        int summe = a + b;
        System.out.println(summe);
        
    }
    
    public static void differenz(int c, int d){
        
        int differenz = c - d;
        System.out.println(differenz);
        
    }
    
    
}