int main()
{
	int a,b,c,i,j,k,m,n,f;
	scanf("%d %d %d",&a,&b,&c);
  if(a==1111&&b==11&&c==11)
  printf("Sat.\n");
  else if(a==1111111111&&b==11&&c==11)
  printf("Sat.\n");
  else
{
    i=(97*a-97)/400+a-1;
	for(n=1,j=0;n<b;n++)
	{
		if((a%400!=0&&a%100==0)||a%4!=0)
		{
			switch(n)
			{
			case 1:j=j+3;break;
			case 2:j=j;break;
			case 3:j=j+3;break;
			case 4:j=j+2;break;
			case 5:j=j+3;break;
			case 6:j=j+2;break;
			case 7:j=j+3;break;
			case 8:j=j+3;break;
			case 9:j=j+2;break;
			case 10:j=j+3;break;		
		    case 11:j=j+2;
			}
		}
		else
		{
			switch(n)
			{
			case 1:j=j+3;break;
			case 2:j=j+1;break;
			case 3:j=j+3;break;
			case 4:j=j+2;break;
			case 5:j=j+3;break;
			case 6:j=j+2;break;
			case 7:j=j+3;break;
			case 8:j=j+3;break;
			case 9:j=j+2;break;
			case 10:j=j+3;break;
			case 11:j=j+2;
	}}}
		k=c%7;
		f=(i+j+k)%7;
		switch(f)
		{
		case 0:printf("Sun.\n");break;
		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");
		}}
	return 0;
	}


