void main()
{
	int m[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
	int m1[13]={0,31,29,31,30,31,30,31,31,30,31,30,31};
	int i,j,year,month,day,day1,d=0;
	long int sum=0,total,xq;
	scanf("%d%d%d",&year,&month,&day);
	year=year%2000+400;
	for(i=1;i<year;i++)
	{
		if(i<100)
		{
			if(i%4==0)
			{
				sum=sum+366;
			}
			else
			{
				sum=sum+365;
			}
		}
		if(i>=100)
		{
   			if((i%4==0&&i%100!=0)||i%400==0)
			{
				sum=sum+366;
			}
			else
			{
				sum=sum+365;
			}
		}
		
	}	
	if((year%4==0&&year%100!=0)||year%400==0)
	{
		for(j=1;j<month;j++)			
		{			
			d=d+m1[j];	
		}
				
		day1=d+day;
	}
	else
	{
 		for(j=1;j<month;j++)			

		{			
			d=d+m[j];	
		}
				
		day1=d+day;
	}
    total=sum+day1;
	xq=total%7;
	switch (xq) {
		case 0:
			printf("Sun.");
			break;
		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;
	}

}

