
long int y;
long int m;
long int d;
long int ny;
long int nm;
long date;

int main()
{
	
	long int t;
	int i;
	scanf("%d %d %d", &y, &m, &d);
	t = ((y-1)-(y-1)%4)/4 - ((y-1)-(y-1)%100)/100 + ((y-1)-(y-1)%400)/400;
	
	ny = (y-1)*(365%7) + t;
		if(m==1) {nm=0;}
		if(m==2) {nm=31;}
		if(m==3) {if(y%4==0) nm=(31+29); else nm=(31+28);}
		if(m==4) {if(y%4==0) nm=31*2+29; else nm=31*2+28;}
		if(m==5) {if(y%4==0) nm=31*2+30+29; else nm=31*2+30+28;}
		if(m==6) {if(y%4==0) nm=31*3+30+29; else nm=31*3+30+28;}
		if(m==7) {if(y%4==0) nm=31*3+30*2+29; else nm=31*3+30*2+28;}
		if(m==8) {if(y%4==0) nm=31*4+30*2+29; else nm=31*4+30*2+28;}
		if(m==9) {if(y%4==0) nm=31*5+30*2+29; else nm=31*5+30*2+28;}
		if(m==10) {if(y%4==0) nm=31*5+30*3+29; else nm=31*5+30*3+28;}
		if(m==11) {if(y%4==0) nm=31*6+30*3+29; else nm=31*6+30*3+28;}
		if(m==12) {if(y%4==0) nm=31*6+30*4+29; else nm=31*6+30*4+28;}
	date = ny%7 + nm%7 + d%7;
		if(date%7==1) printf("Mon.\n");
		if(date%7==2) printf("Tue.\n");
		if(date%7==3) printf("Wed.\n");
		if(date%7==4) printf("Thu.\n");
		if(date%7==5) printf("Fri.\n");
		if(date%7==6) printf("Sat.\n");
		if(date%7==0) printf("Sun.\n");
	return 0;
}
