#include<bits/stdc++.h>
using namespace std;
int heshu(int n)
{
    int cnt = 0;
    for(int i=2;i<=sqrt(n);i++)
    {
        if(n%i==0)
        {
            cnt++;
        }
    }
    if(cnt!=0)
    {
        return 1;
    }
    else if(n<=1)
    {
        return 0;
    }
    else
    {
    	return 0;
	}
}
int main()
{
    for(int i=100;i<=999;i++)
    {
        int k1=i/100;
        int k2=i/10;
        if(heshu(i)==1&&heshu(k1)==1&&heshu(k2)==1)
        {
            cout<<i<<endl;
        }
    }
    return 0;
}
/**************************************************************
	Problem: 1143
	User: wangyuxin
	Language: C++
	Result: Accepted
	Time:13 ms
	Memory:2072 kb
****************************************************************/