We suppose that the election results are known for a district and the precincts from which the district is consisted off.Suppose that political parties 1, 2, …,r run for the fist election, (e₁) and collected f=(f₁,f₂, … ,f_r ) of the votes correspondingly and parties 1, 2,…,c run for the second election (e₂) and collected s=(s₁,s₂, … ,s_c ) of the votes correspondingly.