int main()
{
int year,month,day,days=0,i;
scanf("%d%d%d",&year,&month,&day);
year=year%400;
if(((year%4==0)&&(year%100!=0))||(year==0))
{
for(i=2;i<=month;i++)
{
switch(i)
{
case 3:days+=1;break;
case 2:case 4:case 6:case 8:case 9:case 11:days+=3;break;
case 5:case 7:case 10:case 12:days+=2;break;
}

}
days-=1;

}
else 
{
	for(i=2;i<=month;i++)
{
switch(i)
{
case 3:break;
case 2:case 4:case 6:case 8:case 9:case 11:days+=3;break;
case 5:case 7:case 10:case 12:days+=2;break;
}

}
}
days+=day+year-1+year/4-year/100;
switch(days%7)
{
case 0:printf("Sun.\n");break;
case 1:printf("Mon.\n");break;
case 2:printf("Tue.\n");break;
case 3:printf("Wen.\n");break;
case 4:printf("Thu.\n");break;
case 5:printf("Fri.\n");break;
case 6:printf("Sat.\n");break;

}
return 0;
}
