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;

}