#include<stdio.h>
int main()
{
    double a,b;
    double sum,differences;
    
    scanf("%1f", &a);
    scanf("%1f", &b);
    sum= a+b;
    differences=a-b;
    
    printf("%.01f\n",sum);
    printf("%.01f\n",differences);
    
    return 0;
}