#include<bits/stdc++.h>
using namespace std;
int main(){
   int a,b,i = 10;
   while(i <= 99){
   	   a = i / 10;
   	   b = i % 10;
   	   if(a > b && (a + b) % 2 == 0){
   	      cout<<i<<endl;	
	   }
   	   i++;
   }
}

/**************************************************************
	Problem: 1711
	User: admin
	Language: C++
	Result: Runtime Error
****************************************************************/