#include<stdio.h>
int main(){
	int y,m,d,w;
	while(scanf("%d %d %d",&y,&m,&d)!=EOF){
		if(3>m)
		{m+=12;y--;}
		w=((d+2*m+3*(m+1)/5+y+y/4-y/100+y/400)%7+1)%7;
		if(w==1)
			printf("Monday\n");
		if(w==2)
			printf("Tuesday\n");
		if(w==3)
			printf("Wednesday\n");
		if(w==4)
			printf("Thursday\n");
		if(w==5)
			printf("Friday\n");
	    if(w==6)
			printf("Saturday\n");
		if(w==0)
			printf("Sunday\n");
}
	return 0;}