#include <stdio.h>
#include <stdlib.h>

long int suma_numere(int a, int b)
{
	long int suma;

	suma = a+b;

	if (suma > 2000000000) //Nu respecta conditia ca suma sa fie mai mica decat 2.000.000.000
		return 0;

	return suma;

}

int main (int argc, char ** argv)
{
	FILE *f, *g;
	int a, b;

	f = fopen("adunare.in", "r+b");
	g = fopen("adunare.out", "w+b");

	if (f == NULL)
	{
		printf("Nu pot deschide fisierul. \n");
		exit(-1);
	}

	if (g == NULL)
	{
		printf("Nu pot deschide fisierul. \n");
		exit(-1);
	}

	fseek(f, 0, SEEK_SET);

	fscanf(f, "%d", &a);

	fscanf(f, "%d", &b);

	if (suma_numere(a, b) == 0)
		fprintf(g, "%s", "Numerele nu respecta conditia.\n");
	else
		fprintf(g, "%ld", suma_numere(a, b));

	fclose(f);
	fclose(g);

	return 0;
}