#include<stdio.h>

void calculate(double x,double y,double *he,double *cha,double *ji,double *shang){
	*he=x+y;
	*cha=x-y;
	*ji=x*y;
	*shang=x/y;	
}
int main(){
    double x,y,he,cha,ji,shang;

    scanf("%lf %lf",&x,&y);
    calculate(x,y,&he,&cha,&ji,&shang);
    printf("%g %g %g %g",he,cha,ji,shang);

    return 0;
}