with open('podatki.txt', 'r') as f:
    for vrstica in f:
        koscki = vrstica.strip().split(',')
        # print(repr(vrstica))
        # print(koscki)
        stevila = []
        for x in koscki:
            stevila.append(int(x))
##        vsota = 0
##        for x in stevila:
##            vsota += x
##        print(vsota)
        print(sum(stevila))