#include<bits/stdc++.h>
using namespace std;
int main(){
		for (int num=10;num<=99;num++){
			int s=num/10;
			int g=num%10;
			if(s>g&&(s+g)%2==0){
				cout<<num<<endl;
			}
		}
    return 0;
}
/**************************************************************
	Problem: 1711
	User: xiaojingxuan
	Language: C++
	Result: Runtime Error
****************************************************************/