int main(){
	int a,b,c,d,m=0,n,r=0,l;
	scanf("%d%d%d",&a,&b,&c);
	l=a/4-a/100+a/400;
    if (((a%4==0)&&(a%100!=0))||(a%400==0))
		r=1;
	if (r==1){
		l=l-1;
		switch(b){
			case 2:
				m=31;
				break;
			case 3:
				m=60;
				break;
			case 4:
				m=91;
				break;
			case 5:
				m=121;
				break;
			case 6:
				m=152;
				break;
			case 7:
				m=182;
				break;
			case 8:
				m=213;
				break;
			case 9:
				m=244;
				break;
			case 10:
				m=274;
				break;
			case 11:
				m=305;
				break;
			case 12:
				m=335;
				break;
		}
	}
	else switch(b){
			case 2:
				m=31;
				break;
			case 3:
				m=59;
				break;
			case 4:
				m=90;
				break;
			case 5:
				m=120;
				break;
			case 6:
				m=151;
				break;
			case 7:
				m=181;
				break;
			case 8:
				m=212;
				break;
			case 9:
				m=243;
				break;
			case 10:
				m=273;
				break;
			case 11:
				m=304;
				break;
			case 12:
				m=334;
				break;
	}
	n=(a-1+m+l+c)%7;
	switch(n){
		case 0:
			printf("Sun.");
			break;
		case 1:
			printf("Mon.");
			break;
		case 2:
			printf("Tue.");
			break;
		case 3:
			printf("Wed.");
			break;
		case 4:
			printf("Thr.");
			break;
		case 5:
			printf("Fri.");
			break;
		case 6:
			printf("Sat.");
			break;
	}
	return 0;
	}

