#include<stdio.h>

int main()
{
    int a, sum = 0;

    FILE *filein, *fileout;
    filein= fopen("adunare.in", "r");
    fileout = fopen("adunare.out", "w");

    //the sum part
    while(fscanf(filein, "%d", &a) == 1)
    {
        sum += a;
    }
    fprintf(adunare.out, "%d", sum);
    
    fclose(filein);
    getchar();
    return 0;
}