int isrunnian(int year){
    if(year%400 == 0 ||(year%4==0 && year%100!=0))
    return 1;
    return 0;
}
int main(){
    int i,year,month,date,sum;
    int montha[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
    scanf("%d%d%d",&year,&month,&date);
    sum=(year%7+year/4-year/100+year/400);
    for(i=1;i<month;i++){
                         sum+=montha[i];
                         }
                         
    sum+=date-1;
    if(isrunnian(year)&&(month<=2)){
                       sum--;
                       }
    int d;
    d=sum%7;

    
    if(d==1)
    printf("Mon.");
    if(d==2)
    printf("Tue.");
    if(d==3)
    printf("Wed.");
    if(d==4)
    printf("Thu.");
    if(d==5)
    printf("Fri.");
    if(d==6)
    printf("Sat.");
    if(d==0)
    printf("Sun.");
    

    
        return 0;
}