#include <iostream>
#include <cstring>
#include <algorithm>
#include <math.h>
#include <string.h>
#include <stdlib.h>
using namespace std;
int main(){
int body = 23;
int motion = 28;
int intell = 33;
int p, e, i ,d, day;
cin >> p >> e >> i >> d;
for(day = 1;day <= 21252 ; day++){
if ((day-p)%body == 0 && (day-e)%motion == 0 && (day-i)%intell == 0) break;
}
cout << "Case: the next triple peak occurs in "<< day-d << " days.";
}

京公网安备 11010502036488号