void main()
{
	int x,y,z,a,b,c,d,e,f,g,h;
	scanf("%d%d%d",&x,&y,&z);
	a=x/400;b=x%400;
	c=b/100;d=b%100;
	e=d/4;f=d%4;
	g=c*5+e*5+365*(f-1)+700;
	switch(y)
	{
	    case 1:g=g+z;break;
	    case 2:g=g+z+31;break;
		case 3:g=g+z+59;break;
		case 4:g=g+z+90;break;
		case 5:g=g+z+120;break;
		case 6:g=g+z+151;break;
		case 7:g=g+z+181;break;
		case 8:g=g+z+212;break;
		case 9:g=g+z+243;break;
		case 10:g=g+z+273;break;
		case 11:g=g+z+304;break;
		case 12:g=g+z+334;break;
	}
	if((b==0&&y<3)||(e!=0&&f==0&&y<3))
		g=g-1;
	h=g%7;
	switch(h)
	{
		case 1:printf("Mon.\n");break;
	    case 2:printf("Tue.\n");break;
		case 3:printf("Wed.\n");break;
		case 4:printf("Thu.\n");break;
		case 5:printf("Fri.\n");break;
		case 6:printf("Sat.\n");break;
		case 0:printf("Sun.\n");break;
	}
}