int after(int x)
{
	int y,sum,z,m;
	y=(x-1)/400;
	m=(x-1)/100;
	z=(x-1)/4;
	sum=x-1+z-m+y;
	return sum;
}
int date(int x,int y,int z)
{
	 int sum=0,i;
     if(y==1) sum=z;
	 else
	 {
		 for(i=1;i<y;i++)
		 {
			 if(i==1||i==3||i==7||i==5||i==8||i==10||i==12) sum+=31;
			 if(i==4||i==6||i==9||i==11) sum+=30;
			 if(i==2)
			 {
				 if((x%4==0&&x%100!=0)||x%400==0)
				 {
					 sum+=29;
				 }
				 else sum+=28;
			 }
		 }
		 sum+=z;
	 }
	 return sum;
}
int main()
{
	int a,b,c,year,day,result;
	scanf("%d%d%d",&a,&b,&c);
	year=after(a);
	day=date(a,b,c);
	result=(year+day)%7;
	switch (result) {
    case 1:
        printf("Mon.");
        break;
    case 2:
        printf("Tue.");
        break;
    case 3:
        printf("Wed.");
        break;
    case 4:
        printf("Thu.");
        break;
    case 5:
        printf("Fri.");
        break;
    case 6:
        printf("Sat.");
        break;
    case 0:
        printf("Sun.");
    }
    return 0;
}
	