#include <cstdlib>
#include <iostream>
#include <stdlib.h>

using namespace std;

int main()
{
    double a,b,c;
    
    FILE * FIN;
    FIN=fopen("adunare.in","r");
    
    fscanf(FIN, "%lf %lf", &a,&b);
    
    fclose(FIN);
    
    c=a+b;
    
    FILE * FOUT;
    FOUT=fopen("adunare.out","w");
    
    fprintf ( FOUT, "%lf" , c );
    
    fclose(FOUT);
    
    system("PAUSE");
    return EXIT_SUCCESS;
}