#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: yangjunwen
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/