#include<stdio.h>
#include<stdlib.h>
int main()
{
          FILE f;
          long suma, a, b;

          if(f= fopen("fisier.in", "rb")== NULL)
                    exit(1);
         if( fread(&a, sizeof(long), 1, f)!= 1)
          exit(1);
          else  fread(&a, sizeof(long), 1, f);
           if( fread(&b, sizeof(long), 1, f)!= 1)
          exit(1);
          else  fread(&b, sizeof(long), 1, f);
          fclose(f);
          suma = a + b;
          FILE f1;
           if(f1= fopen("fisier.out", "wb")== NULL)
                    exit(1);
           if( fwrite(&suma,sizeof(long), 1, f1)!= 1)
                    exit(1);
                    else fwrite(&suma,sizeof(long), 1, f1);
                    fclose(f1);
           return 0;

}