#include<bits/stdc++.h>
using namespace std;
int main(){
	int i=10,a,b;
	while(i<=99){
		a=i%10;
		b=i/10;
		if(a==2||b==2) cout<<i<<endl;
		i++;
	} 
}
/**************************************************************
	Problem: 1700
	User: linzihang
	Language: C++
	Result: Accepted
	Time:5 ms
	Memory:2072 kb
****************************************************************/