include<bits/stdc++.h>

define getcx getchar

using namespace std;

using ll = long long; const int INF = 1e9 + 5;

template void inp( T &n ) { n=0; char ch=getcx(); T sign=1; while( ch < '0' || ch > '9' ) { if(ch=='-') { sign=-1; } ch=getcx(); } while( ch >= '0' && ch <= '9' ){ n = (n<<3)+(n<<1) + ch-'0', ch=getcx(); } n=n*sign; }

int solve() { return 0; }

int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout<<solve()<<endl; return 0; }