#include<stdio.h>
void main(void)
{	long int a,b;
	FILE *f,*g;
	printf("a=,b=");
   scanf("%ld%ld",&a,&b);
   f=fopen("adunare.in","w");
   fprintf(f,"%ld\n%ld",a,b);
   fclose(f);
   f=fopen("adunare.in","r");
   fscanf(f,"%ld",&a);
   fscanf(f,"%ld",&b);
   fclose(f);
   g=fopen("adunare.out","w");
   fprintf(g,"%ld",a+b);
   fclose(g);
}