#include <bits/stdc++.h>
using namespace std;
bool ssh(int i2){
	if(i2==1||i2==0)return false;
	for(int i=2;i<i2;i++){
		if(i2%i==0)return false;
	}
	return true;
}
int main(){
	for(int i=100;i<=999;i++){
		if(i/100+i%10<i/10%10&&ssh(i/100+i%10))cout<<i<<"\n";
	}
	return 0;
}
/**************************************************************
	Problem: 1089
	User: zhouhongyi
	Language: C++
	Result: Wrong Answer
****************************************************************/