Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
	"time"
)

var sc = bufio.NewScanner(os.Stdin)

//Sliceconvtoi ...
func Sliceconvtoi() []int {
	strs := strings.Split(sc.Text(), " ")

	var ints []int
	var x int

	for _, s := range strs {
		x, _ = strconv.Atoi(s)
		ints = append(ints, x)
	}

	return ints
}

func main() {
	for sc.Scan() {
		i := Sliceconvtoi()

		if i[0] == 0 && i[1] == 0 {
			break
		}

		m := time.Month(i[0])
		d := i[1]
		t := time.Date(2004, m, d, 0, 0, 0, 0, time.Local)
		fmt.Println(t.Weekday())
	}

}

C++: // clang-format off
#include <bits/stdc++.h>
#define int long long
#define main signed main()
// #define main int main()
#define loop(i, a, n) for (int i = (a); i < (n); i++)
#define rep(i, n) loop(i, 0, n)
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()
#define prec(n) fixed << setprecision(n)
#define stlice(from, to) substr(from, (to) - (from) + 1)
#define pb push_back
#define mp make_pair
#define mt make_tuple
#define fi first
#define se second
using namespace std;
using pii = pair<int, int>;
using vi = vector<int>;
using vd = vector<double>;
using vc = vector<char>;
using vb = vector<bool>;
using vs = vector<string>;
using vpii = vector<pii>;
using vvi = vector<vi>;
using vvb = vector<vb>;
using vvpii = vector<vpii>;
template<typename A> using fn = function<A>;
constexpr int INF = sizeof(int) == sizeof(long long) ? 1000000000000000000LL : 1000000000;
constexpr int MOD = 1000000007;
constexpr double PI = acos(-1);
template<typename A, typename B> bool cmin(A &a, const B &b) { return a > b ? (a = b, true) : false; }
template<typename A, typename B> bool cmax(A &a, const B &b) { return a < b ? (a = b, true) : false; }
constexpr bool odd(const int &n) { return n & 1; }
constexpr bool even(const int &n) { return !odd(n); }
template<typename V> constexpr typename V::value_type sum(const V &v) { return accumulate(all(v), 0); }
void solve();
main { solve(); return 0; }
// clang-format on

constexpr int zeller(int y, int m, const int &d) {
  if (m == 1 || m == 2) y--, m += 12;
  int k = y % 100, j = y / 100;
  return (d + 13 * (m + 1) / 5 + k + k / 4 + j / 4 + 5 * j + 6) % 7;
}

void solve() {
  int m, d;
  string t[] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
  while (cin >> m >> d, m) cout << t[zeller(2004, m, d)] << endl;
}

C++: #include <iostream>
#include <string>
using namespace std;

int day[12] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
string date[7] = {
    "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"
};

int main() {
    int m, d;
    while (cin >> m >> d, m && d) {
        int t = d;
        for (int i=0; i<m-1; ++i) {
            t += day[i];
        }
        cout << date[(t + 2) % 7] << endl;
    }
    return 0;
}

C++: #include <iostream>
#include <cstdio>
using namespace std;

int main(){
	int m, d;
	int days[12]={31,29,31,30,31,30,31,31,30,31,30,31};
	
	while( scanf(" %d %d", &m, &d)*m != 0 ){
		int i=0, c=0;
		while(i<=m-2){
			c+=days[i];
			++i;
		}
		c+=d;
	
		//printf("%d\n", c);
		if(c%7==1) printf("Thursday\n");
		else if(c%7==2) printf("Friday\n");
		else if(c%7==3) printf("Saturday\n");
		else if(c%7==4) printf("Sunday\n");
		else if(c%7==5) printf("Monday\n");
		else if(c%7==6) printf("Tuesday\n");
		else if(c%7==0) printf("Wednesday\n");
	}

	return 0;
}

C++: #include <iostream>
using namespace std;

int main(){
  int a,b,sum;
  while(1){
    cin >> a >> b;
    if(a==0&&b==0)break;
    sum=0;
    for(int i=1;i<a;i++){
      if(i==2)sum+=29;
      else if(i==4||i==6||i==9||i==11)sum+=30;
      else sum+=31;
    }
    sum+=b;
    if(sum%7==1)cout <<"Thursday"<<endl;
    if(sum%7==2)cout <<"Friday"<<endl;
    if(sum%7==3)cout <<"Saturday"<<endl;
    if(sum%7==4)cout <<"Sunday"<<endl;
    if(sum%7==5)cout <<"Monday"<<endl;
    if(sum%7==6)cout <<"Tuesdat"<<endl;
    if(sum%7==0)cout <<"Wednesday"<<endl;
  }
  return 0;
}

C++: #include <iostream>
#include <string>
using namespace std;

int main(){
	string week[] = {"Wednesday","Thursday","Friday","Saturday","Sunday", "Monday","Tuesday"};
	while(1){
		int a, b;
		cin >> a >> b;
		if(a == 0) break;
		int day = 1, c = 1, d = 1;
		while(1){
			if(a == c && b == d) break;
			day++;
			d++;
			if(c == 1 && d == 32 ||
				c == 2 && d == 30 ||
				c == 3 && d == 32 ||
				c == 4 && d == 31 ||
				c == 5 && d == 32 ||
				c == 6 && d == 31 ||
				c == 7 && d == 32 ||
				c == 8 && d == 32 ||
				c == 9 && d == 31 ||
				c == 10 && d == 32 ||
				c == 11 && d == 31){
				c++;
				d = 1;
			}
		}
		cout << week[day % 7] << endl;
	}
	return 0;
}

C++: #include <stdio.h>

int main(){
	char *day[7] = {"Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"};
	int i,date[2],month[12] = {31,29,31,30,31,30,31,31,30,31,30,31};
	while(1){
		scanf("%d %d",&date[0],&date[1]);
		if(!date[0]) break;
		for(i = 0;i < date[0] - 1;i++) date[1] += month[i];
		printf("%s\n",day[(date[1] + 2) % 7]);
	}
}

C++: #include <iostream>
using namespace std;
int main(){
  int m,d,s[]={0,31,29,31,30,31,31,30,31,30};
  string day[]={"Thursday","Friday","Saturday","Sunday","Monday","Tuesday","Wednesday"};
  for(;cin>>m>>d,m||d;)
    {
      d--;
      for(int i=0;i<m;i++)
	d+=s[i];
      cout<<day[d%7]<<endl;
    }
}

C++: #include<iostream>
#include<memory.h>
using namespace std;
int main()
{
	//2004-1-1 Tuesday
	int a[370];

	char e[7][12] = { { "Monday" }, { "Tuesday" }, { "Wednesday" }, { "Thursday" }, { "Friday " }, { "Saturday" }, {"Sunday"} };
	int m[13] = { 0,0, 31,60 ,91,121, 152, 182,213 , 244, 274, 305, 335 };
	for (int i = 3; i <= 365+3; i++){
		a[i] = i % 7;
	}
	while (true){
		int x, y;
		cin >> x >> y;
		if (x == 0 && y == 0)break;
		cout << e[a[m[x] + y + 2]] << endl;
	}
}

C++: #include<iostream>
#include<vector>
#include<string>
#include<algorithm>
#include<cmath>
#include<cstdio>

using namespace std ;

#define pb(n) push_back(n)
#define fi first
#define se second
#define all(r) (r).begin(),(r).end()
#define gsort(st,en) sort((st),(en),greater<int>())

#define rep(i,n) for(int i = 0; i < (n);++i)
#define repc(i,a,b) for(int i = (a);i <(b);++i)
#define repa(n,array) for(auto n :(array))

typedef long long ll ;
typedef vector<int> vi ;
typedef vector<ll> vl ;

constexpr int IMAX = ((1<<30)-1)*2+1 ;
constexpr int INF = 100000000;
double EPS = 1e-10 ;

const int month[12] = {31,29,31,30,31,30,31,31,30,31,30,31} ;

int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  int m,d,date = 3;
  while(1){
    date = 3 ;
    cin >> m >> d ;
    if(m == 0){
      break ;
    }
    for(int i = 0;i < m-1;++i){
      date += month[i] % 7 ;
    }
    date += d % 7 - 1 ;
    switch(date%7){
      case 0:
        cout << "Monday" << endl ;
        break;
      case 1:
        cout << "Tuesday" << endl ;
        break;
      case 2:
        cout << "Wednesday" << endl ;
        break;
      case 3:
        cout << "Thursday" << endl ;
        break;
      case 4:
        cout << "Friday" << endl ;
        break;
      case 5:
        cout << "Saturday" << endl ;
        break;
      case 6:
        cout << "Sunday" << endl ;
        break;
      default:
        break;
    }
  }
  return 0;
}

C++: #include <iostream>
#include <string>
using namespace std;
 
int main(){
  string y[7]={"Wednesday","Thursday","Friday","Saturday","Sunday","Monday","Tuesday"};
  int mon[13]={0,31,29,31,30,31,30,31,31,30,31,30,31};
 
  while(1){
    int m,d;
    cin >> m >> d;
    if( m == 0 && d == 0 ) break;
    while( m != 0 ){
      d += mon[m-1];
      m--;
    }
    cout << y[d%7] << endl;
  }
 
  return 0;
}