#include <iostream>
#include <math.h>

using namespace std;

int main()
{
    int t,a,b,m,n;
    double x;
    cin>>t;
    m=3;
    b=0;
    x=20;
    cin>>a;
    t-=1;


    n=ceil((x+1)/10)*10;

    x+=a;



    while(t>=0)
    {
        if(x<n)
        {
            m-=1;
        }
        else
        {
            m=3;
            n=ceil(x/10)*10;
        }

        if(m==0)
        {
            b=0;
            break;
        }
        if(x<1)
        {
            cout<<"Safety"<<endl;
            b+=1;
            break;

        }
        if(x>=100)
        {
            cout<<"Touchdown"<<endl;
            b+=1;
            break;

        }
        t-=1;
        if(t<0){
            break;
        }
        cin>>a;


        x+=a;




    }

    if(b==0)
    {
        cout<<"Nothing"<<endl;

    }




    return 0;
}