#include<stdio.h>
#include<stdlib.h>

int tx,ty,*x,*y,i,ii,t=1,x1,x2,y1,y2,n,pd;
int main()
{
	freopen("loverfinding.in","r",stdin);
	freopen("loverfinding.out","w",stdout);
	
	scanf("%d %d %d %d %d",&n,&x1,&y1,&x2,&y2);
	x=(int *)malloc(sizeof(int)*(n+1));
	y=(int *)malloc(sizeof(int)*(n+1));
	x[1]=x1;
	y[1]=y1;
	tx=x1;
	ty=y1;
	for(i=2;i<=n;i++)
	{
		scanf("%d %d",&x1,&y1);
		tx=tx+x1;
		ty=ty+y1;
		for(ii=1;ii<=t;ii++)
		{
			if((tx==x[ii])&&(ty==y[ii]))
				pd=1;
				break;
		}
		if(pd==0)
		{
			t=t+1;
			x[t]=tx;
			y[t]=ty;
		}
		if((tx==x2)&&(ty==y2))
			break;
		pd=0;
		if(i==n)
			pd=1;
	}
	printf("%d\n",t-1);
	if(pd==1)
		printf("SingleDogMZX");
	
	return 0;
}