#include <stdio.h>
#include <vector>

using namespace std;

#define maxn 1010

int n,m;
int a[maxn],b[maxn],c[maxn];
vector <short> v[maxn];

int main()
{
    freopen("regiuni.in","r",stdin);
    freopen("regiuni.out","w",stdout);
    
    scanf("%d %d ",&n,&m);
    
    printf("%1\n");
    
    return 0;
}