jeight

#include<iostream>
using namespace std;
int main(){
	int a,b,c;
	cin >> a >> b >> c;
	for(int i=10;i<=100;i++){
	if(i%3==a&&i%5==b&&i%7==c){
		cout<<i<<'\n';
		return 0;
	}
	}
	cout<<"No answer"<<'\n';
		
	
	return 0;
}