#include
double zc(double x, double y){
return 2*(x+y);
}
double mj(double x,double y){
return x*y;
}
int main(){
double x,y;
scanf("%lf%lf",&x,&y);
printf("%lf %lf",zc(x,y),mj(x,y));
getchar();
getchar();
return 0;
}
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