#include <bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin>>n;
	if(n%3==2||n%5==3||n%7==2)
	cout<<"1";
	else
	cout<<"2";	
}
/**************************************************************
	Problem: 1055
	User: cici
	Language: C++
	Result: Wrong Answer
****************************************************************/