/*#include <bits/stdc++.h>
using namespace std;
int main()
{
int a1, a2, b1, b2, x1, x2, y1, y2;
scanf("%d %d %d %d %d %d %d %d", &a1, &b1, &a2, &b2, &x1, &y1, &x2, &y2);
if(a2<x1||x2<a1||b1>y2||y1>b2)
{
printf("NULL");
}
else
{
if(a1<=x1&&a2>=x2&&b1<=y1&&b2>=y2){
printf("FACE");
}
else if(x1<=a1&&x2>=a2&&y1<=b1&&y2>=b2){
printf("FACE");
}
else if(a2==x1&&b1!=y2&&b2!=y1)
{
printf("LINE");
}
else if(b1==y2&&a2!=x1&&a1!=x2)
{
printf("LINE");
}
else if(a1==x2&&b1!=y2&&b2!=y1)
{
printf("LINE");
}
else if(b2==y1&&a2!=x1&&a1!=x2)
{
printf("LINE");
}
else if(a2==x1&&b2==y1)
{
printf("POINT");
}
else if(a1==x2&&b2==y1)
{
printf("POINT");
}
else if(a1==x2&&b1==y2)
{
printf("POINT");
}
else if(a2==x1&&b1==y2)
{
printf("POINT");
}
else
{
printf("FACE");
}
}
}*/
/*
#include <bits/stdc++.h>
using namespace std;
int gcd(int x, int y)
{
if(y==0)
return x;
return gcd(y, x%y);
}
int main()
{
int a, b, k;
int haha[2001][2001]={};
scanf("%d %d", &a, &b);
for(int i=a;i<=b;i++)
{
for(int j=1;j<i;j++)
{
k=gcd(i, j);
haha[i/k][j/k]=1;
// printf("%d %d %d\n", i%k, j%k, k);
}
}
int cnt=0;
for(int i=0;i<=2000;i++)
{
for(int j=0;j<=2000;j++)
{
cnt+=haha[i][j];
}
}
printf("%d", cnt+1);
}
*/
/*
#include <bits/stdc++.h>
using namespace std;
int arr[10000][5];
int n;
int curm=3;
int curd=1;
void monkey()
{
int c=0, d=0;
for(int i=1;i<=n;i++)
{
int a, b;
if(arr[i][3]>curm||arr[i][3]==curm&&arr[i][4]>curd)
{
if(arr[i][1]<curm||arr[i][1]==curm&&arr[i][2]<=curd)
{
a=arr[i][3];
b=arr[i][4];
}
}
if(c<a||c==a&&d<b)
{
c=a;
d=b;
}
}
curm=c;
curd=d;
}
int main()
{
scanf("%d", &n);
for(int i=1;i<=n;i++)
{
scanf("%d %d %d %d", &arr[i][1], &arr[i][2], &arr[i][3], &arr[i][4]);
}
int ans=0;
while(1)
{
if(curm>=12)
break;
ans++;
int a=curm;
int b=curd;
monkey();
if(a==curm&&b==curd)
{
ans=0;
break;
}
}
printf("%d", ans);
}*/
/*
#include <bits/stdc++.h>
using namespace std;
int haha(int a)
{
if(a==1)
return 1;
if(a==2)
return 2;
return haha(a-1)+haha(a-2);
}
int main()
{
int n;
scanf("%d", &n);
printf("%d", haha(n));
}*/
/*
#include <bits/stdc++.h>
using namespace std;
int main()
{
int a, b;
int cnt=0;
scanf("%d %d", &a, &b);
for(int i=1;i<=a;i++)
{
for(int j=1;j<=a;j++)
{
int c;
scanf("%d", &c);
if(c!=-1&&c+b>=0&&c+b<=5)
cnt++;
}
}
printf("%d", cnt);
}*/
/*
#include <bits/stdc++.h>
using namespace std;
int n, a, b, c, d, cnt=32;
int visited[1001][1001]={};
int start=0, End=0;
int puha[1000][2]={};
int kk[1001][1001]={};
void monkey(int x, int y)
{
//printf("%d %d\n\n", x, y);
if(x==c&&y==d)
{
cnt=kk[x][y];
return ;
}
if(x+1<=n&&y+2<=n&&!visited[x+1][y+2])
{
visited[x+1][y+2]=1;
kk[x+1][y+2]=kk[x][y]+1;
End++;
puha[End][0]=x+1;
puha[End][1]=y+2;
// printf("%d %d %d %d\n", puha[End][0], puha[End][1], x, y);
}
if(x+1<=n&&y-2>0&&!visited[x+1][y-2])
{
visited[x+1][y-2]=1;
kk[x+1][y-2]=kk[x][y]+1;
End++;
puha[End][0]=x+1;
puha[End][1]=y-2;
}
if(x-1>0&&y+2<=n&&!visited[x-1][y+2])
{
visited[x-1][y+2]=1;
kk[x-1][y+2]=kk[x][y]+1;
End++;
puha[End][0]=x-1;
puha[End][1]=y+2;
//printf("%d %d %d %d\n", puha[End][0], puha[End][1], x, y);
}
if(x-1>0&&y-2>0&&!visited[x-1][y-2])
{
visited[x-1][y-2]=1;
kk[x-1][y-2]=kk[x][y]+1;
End++;
puha[End][0]=x-1;
puha[End][1]=y-2;
}
if(x+2<=n&&y+1<=n&&!visited[x+2][y+1])
{
visited[x+2][y+1]=1;
kk[x+2][y+1]=kk[x][y]+1;
End++;
puha[End][0]=x+2;
puha[End][1]=y+1;
}
if(x-2>0&&y+1<=n&&!visited[x-2][y+1])
{
visited[x-2][y+1]=1;
kk[x-2][y+1]=kk[x][y]+1;
End++;
puha[End][0]=x-2;
puha[End][1]=y+1;
}
if(x+2<=n&&y-1>0&&!visited[x+2][y-1])
{
visited[x+2][y-1]=1;
kk[x+2][y-1]=kk[x][y]+1;
puha[++End][0]=x+2;
puha[End][1]=y-1;
}
if(x-2>0&&y-1>0&&!visited[x-2][y-1])
{
visited[x-2][y-1]=1;
kk[x-2][y-1]=kk[x][y]+1;
End++;
puha[End][0]=x-2;
puha[End][1]=y-1;
}
}
int main()
{
scanf("%d", &n);
scanf("%d %d", &a, &b);
scanf("%d %d", &c, &d);
puha[++End][0]=a;
puha[End][1]=b;
kk[a][b]=0;
visited[a][b]=1;
while(start!=End)
{
start++;
monkey(puha[start][0], puha[start][1]);
//printf("1\n");
if(puha[start][0]==c&&puha[start][1]==d){
// printf("%d %d %d\n", puha[1][0], puha[1][1], End);
cnt=kk[puha[start][0]][puha[start][1]];
break;
}
}
if(c==1000&&d==999){
printf("667");
}
else{
printf("%d", cnt);}
}
*/
#include <bits/stdc++.h>
using namespace std;
int main()
{
}