import algds.IOUtils;
public class aufgabe10 {
    public static int fkt(int x,int y){
        if (y==1) return x;
    else return fkt(x,y-1)+x;}

    public static void main (String args[]) {
        System.out.println(" x : ");
        int x=IOUtils.readInt();
        System.out.println(" y : ");
        int y=IOUtils.readInt();
        System.out.println ("funktion("+x+" , "+y+") ="+fkt(x,y));
        
}}