#include<iostream>
using namespace std;
int main(){
	int i,a,b;
	for(i=10;i<100;i++){
		a=i/10;
		b=i%10;
		if(a==2||b==2){
			cout<<i<<endl;
		}
	}
	 
}
/**************************************************************
	Problem: 1700
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:4 ms
	Memory:2072 kb
****************************************************************/