dh

g = random.randint(200000000000000000000000000000000000000000000000000,300000000000000000000000000000000000000000000000000)
b = random.randint(20000000000000,30000000000000000000)

pn = random.randint(200,300)
pn2 = random.randint(200,300)
r_server = pow(g,pn)%b
print r_server
r_client = pow(g,pn2)%b
print(r_client)
gr_server = pow(r_client,pn)%b
print(gr_server)
gr_client = pow(r_server,pn2)%b
print(gr_client)