import hashlib
Nonce = "15940832311731994988"
Salt = "2586456158"
Usr = "admin"
Psw = "10203040"
#SHA512(psw+salt)
con1 = Psw +Salt
Hash1 = hashlib.sha512(con1.encode('UTF-8'))
#sha512(Hash1+nonce)
con2 = Hash1.hexdigest()+Nonce
Hash2 = hashlib.sha512(con2.encode('UTF-8'))

#Result
Res = "LOGINPSW@"+Usr+":"+Hash2.hexdigest()
print(Res)