# p06input1.txt - Test Graph(), ~Graph(), AddVertex(), AddEdge() with undirected graph

c
v A
v B
v C
v D
u A B 5
u A C 10
u B C 15
u B D 25
u C D 20
p
~


c
v A
v B
v C
v D
v E
v F
v G
v H
u A B 25
u A C 10
u A E 60
u B G 75
u B H 15
u C E 15
u D F 25
u D H 80
u E G 35
u E F 5
u F H 40
p
~