#include<bits/stdc++.h>
using namespace std;
int main(){
int i,g,s,x,y;
	for(i=10;i<100;i++){
		g=i%10;
		s=i/10%10;
		x=g+s;
		y=g*s;
		if(x+y==i){
			cout<<i<<endl;
		}
	}
	return 0;
}
/**************************************************************
	Problem: 1722
	User: xiaojingxuan
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/