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

int main(void)
{
	FILE *f;
	int a, b;

	f = fopen("adunare.in", "r");

	if (!f)
		exit(1);

	fscanf(f, "%i %i", &a, &b);

	fclose(f);
	f = fopen("adunare.out", "w");
	if (!f)
		exit(2);

	fprintf(f, "%i\n", a + b);

	return 0;
}