$1$ import

java.io$.$ ;

$//$ Read only region start

class UserMainCode

$\{$

public int minimumCost$($int input$1,$ int input$2,$ int input $3,$ int$[][]$ input$4)\{$

$//$ Read only region end

$//$ Write code here...

throw new UnsupportedOperationException $("$minimumCost$($int input$1,$ int input$2,$ int i $\}$