#include <stdio.h>
#include <stdlib.h>

int whichMonth(int month)
{
    if(month == 1 || month == 3 || month == 5 || month == 7 || month == 8
            || month == 10 || month == 12)
        return 31;
    else if(month == 4 || month == 6 || month == 9 || month == 11)
        return 30;
    else
        return 28;
}

void whichDay(int day)
{
    day %= 7;
    switch(day)
    {
    case 1:
        printf("Monday\n");
        break;
    case 2:
        printf("Tuesday\n");
        break;
    case 3:
        printf("Wednesday\n");
        break;
    case 4:
        printf("Thursday\n");
        break;
    case 5:
        printf("Friday\n");
        break;
    case 6:
        printf("Saturday\n");
        break;
    case 0:
        printf("Sunday\n");
        break;
    }
}

int main(int argc, char **argv) {
    int month, day, i;
    scanf("%d.%d.", &month, &day);
    while(month != 0 && day != 0)
    {
        int sum = 0;
        if(month > 1)
        {
            for( i = 1; i < month; i++)
                sum += whichMonth(i);
        }
        sum += day;
        whichDay(sum);
        scanf("%d.%d.", &month, &day);
    }

    return 0;
}