import datetime
#作者堀江会津大学オンラインジャッジ問0125を解くコード
while True:
y1,m1,d1,y2,m2,d2=map(int,input().split())
if y1==-1:break
d1=datetime.datetime(y1,m1,d1)
d2=datetime.datetime(y2,m2,d2)
print((d2-d1).days)
aW1wb3J0IGRhdGV0aW1lCiPkvZzogIXloIDmsZ/kvJrmtKXlpKflrabjgqrjg7Pjg6njgqTjg7Pjgrjjg6Pjg4PjgrjllY8wMTI144KS6Kej44GP44Kz44O844OJCndoaWxlIFRydWU6Cgl5MSxtMSxkMSx5MixtMixkMj1tYXAoaW50LGlucHV0KCkuc3BsaXQoKSkKCWlmIHkxPT0tMTpicmVhawoJZDE9ZGF0ZXRpbWUuZGF0ZXRpbWUoeTEsbTEsZDEpCglkMj1kYXRldGltZS5kYXRldGltZSh5MixtMixkMikKCXByaW50KChkMi1kMSkuZGF5cyk=