2024/01/10 * <name of bank>
Assets:Cash -$1,000.00
Assets:Bank:Main Account $1,000.00
2024/01/10 * <name of bank>
Assets:Bank:Main Account -$400.00
Assets:Bank:Sub Account 1 $400.00
2024/01/10 * <name of bank>
Assets:Bank:Main Account -$400.00
Assets:Bank:Sub Account 2 $400.00
Incidentally the transactions you listed above are incorrect. The various cards you are using are ASSETS (presumably pre-loaded with money) and should not be classified as "Income".