#include<bits/stdc++.h>
using namespace std;
#define fastio ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define ll long long int
#define pb push_back
#define mp make_pair
#define Max(x,y,z) max(x,max(y,z))
#define Min(x,y,z) min(x,min(y,z))
#define in auto&it
#define out auto it
#define allr(x) (x).rbegin(),(x).rend()
#define all(x) (x).begin(),(x).end()
#define mod 1000000007
const double pi = acos(-1);
#define err(x) cerr<<#x<<" = "<<x<<'\n';
int main() {
	#ifndef ONLINE_JUDGE
		freopen("input.txt", "r", stdin);
		freopen("output.txt", "w", stdout);
		freopen("error.txt", "w", stderr);
	#endif
	fastio
	cout<<__gcd(2,1);
	return 0;
}