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++: #include<iostream>
using namespace std;
void daysel(int x){
  switch(x % 7){
  case 6:
  cout << "Tuesday"<<endl; break;
  case 7:
  cout <<"Wednesday"<<endl;  break;
  case 1:
  cout <<"Thursday"<<endl;  break;
  case 2:
  cout <<"Friday"<<endl;  break;
  case 3:
  cout <<"Saturday"<<endl;  break;
  case 4:
  cout <<"Sunday"<<endl;  break;
  case 5:
  cout <<"Monday"<<endl;  break;
  }
}
void daycal(int month,int day){
  int x;
  switch(month){
  case 1:
  x = day; break;
  case 2:
  x = 31 + day; break;
  case 3:
  x = 60 + day; break;
  case 4:
  x = 91 + day; break;
  case 5:
  x = 121 + day; break;
  case 6:
  x = 152 + day; break;
  case 7:
  x = 182 + day; break;
  case 8:
  x = 213 + day; break;
  case 9: 
  x = 244 + day;break;
  case 10:
  x = 274 + day;break;
  case 11: 
  x = 305 + day; break;
  case 12:
  x = 335 + day; break;
  }
  daysel(x);

    }
int main(){
  int month,day;
  while(cin >> month >> day){
    if(month == 0){
      return 0;
    }
      daycal(month,day);
  }  
  
}

C++: #include <bits/stdc++.h>
#define rep(i, a, n) for(int i = a; i < n; i++)
#define repb(i, a, b) for(int i = a; i >= b; i--)
#define all(a) a.begin(), a.end()
#define o(a) cout << a << endl
#define int long long
#define first first
#define second se
using namespace std;
typedef pair<int, int> P;
typedef vector<int> vi;

int ds[13] = {0, 1, -1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1};
string st[7] =  {"Monday",
                "Tuesday",
                "Wednesday",
                "Thursday",
                "Friday",
                "Saturday",
                "Sunday"};

signed main(){
    int m, d;
    while(cin >> m >> d){
        if(m + d == 0) break;
        int s = 30 * (m - 1) + d;
        rep(i, 1, m){
            s += ds[i];
        }
        s = (s + 2) % 7;
        o(st[s]);
    }
}

C++: #include <iostream>
#include <string>
#include <vector>

using namespace std;
string a[7] = {"Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"};
int main(void){
  int aa,b;
  int mon[12] = {31,28,
		 31,30,
		 31,30,
		 31,31,
		 30,31,
		 30,31};
  while(cin>>aa>>b,aa+b){
    int d = b;
    for(int i = 0 ; i < aa-1 ; i ++){
      d += mon[i];
      //cout<<d<<endl;
    }

    cout<<a[(d+2)%7]<<endl;
  }
  //*/
}

C++: #include<iostream>
using namespace std;
int main(){
  
  int a,b;
  cin >> a >> b;
  while(a != 0){
    
    for(int i = 1;i < a;i++){
      if(i == 2){
	b += 29;
      }
      else if(i%2 == 0 && i != 8 && i != 12){
	b += 30;
      }
      else if(i == 9 || i == 11){
	b += 30;
      }
      else {
	b += 31;
      }
    }

    if(b%7 == 1) cout << "Thursday" << endl;
    else if(b%7 == 2) cout << "Friday" << endl;
    else if(b%7 == 3) cout << "Saturday" << endl;
    else if(b%7 == 4) cout << "Sunday" << endl;
    else if(b%7 == 5) cout << "Monday" << endl;
    else if(b%7 == 6) cout << "Tuesday" << endl;
    else cout << "Wednesday" << endl;
    cin >> a >> b;
  }
  return (0);
}

C++: #include <stdio.h>

int main(void)
{
	int MONTH[12] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
	
	char DAYS[7][10] = {"Thursday", "Friday", "Saturday", "Sunday", "Monday", "Tuesday", "Wednesday"};
	
	int month, date, i;
	
	while(scanf("%d %d",&month, &date)){
		getchar();
		if(month == 0){
			break;
		}
		
		int total = 0;
		for(i = 1;i < month;i++){
			total += MONTH[i - 1];
		} 
		
		total += date -1 ;
		
		printf("%d\n",total);
		printf("%s\n",DAYS[total % 7]);
	}
	
	return 0;
}

C++: #include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
int month[]={0,31,29,31,30,31,30,31,31,30,31,30,31};
int main(){
int m,d;
while(scanf("%d %d",&m,&d),(m!=0)){
for(int i=0;i<m;i++){
d=d+month[i];
}
d=d%7;
switch(d){
case 0:
cout<<"Wednesday"<<endl;
break;
case 1:
cout<<"Thursday"<<endl;
break;
case 2:
cout<<"Friday"<<endl;
break;
case 3:
cout<<"Saturday"<<endl;
break;
case 4:
cout<<"Sunday"<<endl;
break;
case 5:
cout<<"Monday"<<endl;
break;
case 6:
cout<<"Tuesday"<<endl;
}
}
return 0;
}

C++: #include <iostream>

using namespace std;

int main(void){

  int month;
  int day;
  int day2;

  while(1){

    day2 = 0;

    cin >> month >> day;
    if( month == 0 && day == 0 )break;

    for( int i = 1 ; i < month ; i++ ){
      switch(i){
      case 1:
      case 3:
      case 5:
      case 7:
      case 8:
      case 10:
      case 12:
	day2 += 31;
	break;
      case 2:
	day2 += 29;
	break;
      case 4:
      case 6:
      case 11:
	day2 += 30;
	break;
      }
    }
    day2 += day;
      switch(day2 % 7){
      case 1:
	cout << "Thursday" << endl;
	break;
      case 2:
	cout << "Friday" << endl;
	break;
      case 3:
	cout << "Saturday" << endl;
	break;
      case 4:
	cout << "Sunday" << endl;
	break;
      case 5:
	cout << "Monday" << endl;
	break;
      case 6:
	cout << "Tuesday" << endl;
	break;
      case 0:
	cout << "Wednesday" << endl;
    }
  }
  return 0;
}

C++: #include<cstdio>

using namespace std;
int main(void)
{
	int a[13] = {0,31,29,31,30,31,30,31,31,30,31,30,31};
	int m,n;
	while(scanf("%d%d",&m,&n))
	{
		if(m == 0 && n == 0) break;
		for(int i = 0;i < m;i++)
		{
			n += a[i];
		}
		switch(n%7)
		{
		case 1:
			printf("Thursday\n");
			break;
		case 2:
			printf("Friday\n");
			break;
		case 3:
			printf("Saturday\n");
			break;
		case 4:
			printf("Sunday\n");
			break;
		case 5:
			printf("Monday\n");
			break;
		case 6:
			printf("Tuesday\n");
			break;
		case 0:
			printf("Wednesday\n");
			break;
		}
	}
	return 0;
}

C++: #include<iostream>
#include<string>
using namespace std;
int main(){
	string week[7] = {"Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"};
	int month[12] = {31,29,31,30,31,30,31,31,30,31,30,31};
	int m,d,count_w, count_m;
	while(cin >> m >> d){
		if(m == 0) return 0;
		
		count_m = 1;
		count_w = 3;
		while(1){
			for(int i=1; i<=month[count_m-1]; i++, count_w++){
				if(m==count_m && d==i) break;
			}
			if(m == count_m) break;
			count_m++;
		}
		cout << week[count_w%7] << endl;
	}
}

C++: #include <cstdio>
#include <cstdlib>
#include <iostream>
#include <algorithm>
#include <cstring>
#include <string.h>
#include <queue>
#include <stack>
#include <utility>
#include <queue>
#include <cmath>
#define mp make_pair
#define pii pair<int,int> 
#define ff first
#define ss second

using namespace std;

int month[20]={0,31,29,31,30,31,30,31,31,30,31,30,31};
string days[10]={"Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"};
int a,b,c,d;
int main()
{
	while(1)
	{
		scanf("%d %d",&a,&b);
		c=0;
		if(a==0&&b==0)
		{
			break;
		}
		for(int i=1;i<a;i++)
		{
			c+=month[i];
		}
		c+=b+2;
		d=c%7;
		//printf("%d\n",c);
		cout<<days[d]<<endl;
	}
	return 0;
}