#include <stdio.h>

int main()
{

    char input_file[] = "adunare.in";

    FILE *in = fopen(input_file, "rt");

    if (in == NULL)
    {
        fprintf(stderr, "ERROR: Can't open file %s", input_file);
        return -1;
    }

    int a,b;
    fscanf(in, "%d\n%d",&a,&b);
    fclose(in);

    char output_file[] = "adunare.out";

    FILE *out = fopen(output_file, "wt");

    if (out == NULL)
    {
        fprintf(stderr, "ERROR: Can't open file %s", input_file);
        return -1;
    }

    fprintf(out,"%d",a+b);
    fclose(out);

    return 0;
}