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

int main(){
	FILE *p = fopen("adunare.in", "r");
	if(p == NULL){
		printf("%s\n", "Could not open file adunare.in.");
		exit(1);
	}
	int a, b;
	fscanf(p, "%d", &a);
	fscanf(p, "%d", &b);

	FILE *output = fopen("adunare.out", "w");
	if(output == NULL){
		printf("%s\n", "Coult not create file \"adunare.out\"");
	}
	fprintf(output, "%d\n", a+b);
	fclose(p);

	return 0;
}