The canonical method of solving a large number of multiterminal source coding problems is to disassociate the random coding principle from the notion of distortion and combine them later. To demonstrate the generality of this method, it is used to solve the well-known Korner-Marton problem of reconstructing the binary-two sum of two correlated, independently-encoded, binary symmetric sources. The approah also indicates why the standard solution for this problem depends on the symmetry condition.