#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <sys/stat.h>

struct answers_1{
    long long sum;
    long long b;
};

struct answers_1  get_file_name(char *path);


int main (void)
{
    struct answers_1  answers;
    char* path = (char*) malloc( 100 );
    printf("Input file name:\n");
    scanf("%s",path);

    answers = get_file_name(path);


    printf("Sum =  %lld ", answers.sum);

}




struct answers_1  get_file_name(char *path){

    struct answers_1  answersf;
    answersf.b = 0;
    answersf.sum = 0;

    FILE *in;
    in = fopen(path, "r");

    if (in == NULL) {
        exit(1);
    }

    long long buf=0;


    while ((fscanf(in, "%lld", &buf)!=EOF)) {
        answersf.sum+=buf;
        answersf.b++;
    }
    answersf.sum = answersf.sum/answersf.b;
    fclose(in);
    return answersf;
}