loop{
input = gets.chomp
h = 20.0
y = 4.0
m,d = input.split(" ").map{|e| e.to_f}
exit if m==0 and d==0
if m==1 or m==2 then
  m+=12
  y-=1
end
w=y+(y/4).floor+(h/4).floor-2*h+(13*(m+1)/5).floor+d
w=w.to_i
r=w % 7

case r
when 1 then
  puts "Sunday"
when 2 then
  puts "Monday"
when 3 then
  puts "Trueday"
when 4 then
  puts "Wednesday"
when 5 then
  puts "Thursday"
when 6 then
  puts "Friday"
when 0 then
  puts "Saturday"
end
}