include

using namespace std; int main(){

int n;
cin>>n;
int b=n%7;
if(b==0)
{
	cout<<"Wednesday";
}
else if(b==1)
{
	cout<<"Thursday";
}
else if(b==2)
{
	cout<<"Friday";
}
else if(b==3)
{
	cout<<"Saturday";
}
else if(b==4)
{
	cout<<"Sunday";
}
else if(b==5)
{
	cout<<"Monday";
}
else
{
	cout<<"Tuesday";
}
return 0;

}