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

int main(int argc, char **argv) {
    int month, day, i, T[12]= {31,28,31,30,31,30,31,31,30,31,30,31};

    while(scanf("%d.%d.",&month,&day))
    {
        int sum=0;
        if(month==00 || day==00)
            break;
        if(month==1)
            sum=sum;
        else
            for(i=0; i<month-1; i++)
                 sum=sum+T[i];

        sum=sum+day;

        if(sum%7==1)
            printf("Monday\n");
        if(sum%7==2)
            printf("Tuesday\n");
        if(sum%7==3)
            printf("Wednesday\n");
        if(sum%7==4)
            printf("Thursday\n");
        if(sum%7==5)
            printf("Friday\n");
        if(sum%7==6)
            printf("Saturday\n");
        if(sum%7==0)
            printf("Sunday\n");

    }

    return 0;
}