#include<stdio.h>
int main(){
    double a,b,sum,diff;
    scanf("%lf", &a);
    scanf("%lf", &b);
    sum =a+b;
    diff = a-b;
    if(sum == (int)sum);
    printf("%d\n",(int)sum);
    else
    printf("%.2lf\n",sum);
    if(diff == (int)diff);
    printf("%d",(int)diff);
    else 
    printf("%.2lf",diff);
    return 0;
}