#include <stdio.h>

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

	if (!(fin = fopen("adunare.in", "r"))) {
		perror("Cannot open input file");
		return 1;
	}
	if (!(fout = fopen("adunare.out", "w"))) {
		perror("Cannot open output file");
		return 2;
	}

	fscanf(fin, "%d%d", &a, &b);
	fprintf(fout, "%d", a+b);

	fclose(fout);
	fclose(fin);

	return 0;
}