#include <stdio.h>
#include <string.h>

int main(int argc, char *argv[]) {

	FILE *f;
	FILE *w;
	char *filename = "adunare.in";
	char *out = "adunare.out";
//	filename = argv[1];
	f = fopen(filename, "r");
	w = fopen(out, "w");

	if(f  == NULL) {
	
		printf("Error opening file\n");
		return 0;
	}

	int a = 0, b = 0;

	while(fscanf(f,"%d %d"	, &a, &b) !=EOF) {
	
		fprintf(w,"%d\n", a+b);
	}

	return 0;
}