#include <stdio.h>
#include <time.h>

#define NATAL 25
#define DECEMBER 12

struct Date
{
    int day, month;
};

void differenceBetweenDays(int mes, int dia);


int main() {

    struct Date date;

    scanf("%d %d", &date.month, &date.day);

    if(date.month == 12 && date.day == 25){
        printf("E natal!");
    }else if (date.month == 12 && date.day==24){
        printf("E vespera de natal!");
    }else if(date.month==12 && date.day >25)
        printf("Ja passou!");
    else{
        differenceBetweenDays(date.month, date.day);
    }
    return 0;
}

void differenceBetweenDays(int month, int day){
    int days = 0;
    int monthDays[12] = {31, 29, 31, 30, 31, 30,31, 31, 30, 31, 30, 31};

    int startDate = 2016*365 + day;
    int natal = 2016*365 + NATAL;

    for (int i=0; i<month - 1; i++){
        startDate += monthDays[i];
    }

    for (int i=0; i< DECEMBER - 1; i++){
        natal += monthDays[i];
    }

    days = natal - startDate;

    printf("Faltam %d dias para o natal!", days);
}