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

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

	FILE *fin, *fout;
	char line[10000] = "";
	int sum = 0;

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

	while ( fgets ( line, sizeof line, fin ) != NULL )
		sum += atoi(line);
	
	fclose(fin);
	
	fout = fopen("adunare.out", "w");
	fprintf(fout, "%i", sum);
	fclose(fout);

	return 0;
}