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

int main(int argc, char **argv) {
    char name[20],week[7];
    int w[7]= {0,0,0,0,0,0,0},i;
    while(scanf("%s %s",name,week)!=EOF)
    {
        for(i=0; i<7; i++)
        {
            if(week[i]=='+')
                w[i]=1;
        }
    }
    if(w[0]==0)
        printf("Monday\n");
    if(w[1]==0)
        printf("Tuesday\n");
    if(w[2]==0)
        printf("Wednesday\n");
    if(w[3]==0)
        printf("Thursday\n");
    if(w[4]==0)
        printf("Friday\n");
    if(w[5]==0)
        printf("Saturday\n");
    if(w[6]==0)
        printf("Sunday\n");

    return 0;
}