int u1,u2,u3,n;
   cin>>u1>>u2>>u3>>n;
   if (u1+u2+u3<n)
    cout<<"nema dovojno mjesta";
   if (u1+u2+u3==n)
   cout<<3;
   if (u1+u2>n>u2 and u1+u2>n>u1)
   cout<<2;
   else
    if (u1+u3>n>u1 and u1+u3>n>u3)
    cout<<2;
   else
    if (u2+u3>n>u2 and u2+u3>n>u3)
    cout<<2;




else
   if (n<=u1 or u2 or u3)
   cout<<1;