#include<iostream>
#include<cstdio>
using namespace std;
int x0,y0,xt,yt,n,x,y;
bool a[2600][2600];
int main()
{
	freopen("loverfinding.in","r",stdin);
	freopen("loverfinding.out","w",stdout);
	cin>>n>>x0>>y0>>xt>>yt;
	
	for(int i=1;i<=2510;i++)
	for(int j=1;j<=2510;j++)
	a[i][j]=0;
	
	a[x0][y0]=1;
	for(int i=0;i<n;i++)
	{
		scanf("%d%d",&x,&y);
		x0+=x;
		y0+=y;
		if(x0==xt&&y0==yt)
		{
			a[x0][y0]=1;
			break;
		}
		else
		{
			a[x0][y0]=1;
		}
	}
	
	int ans=0;
	for(int i=0;i<=2510;i++)
	for(int j=0;j<=2510;j++)
		if(a[i][j]) ans++;
	
	if(a[xt][yt]==1)
	cout<<ans;
	else
	cout<<"SingleDogMZX";
	
	
}