#include<iostream>
using namespace std;
int main()
{
	int p , e , i , d;
	int a , b , c , k = 0 ;
	while(cin>> p>> e>> i>> d && d < 365 && d >= 0)
	{
		if(p == -1 && e == -1 && i == -1 && d == -1 ) break;
		k++;
		for(int j = 1 ; j <= 21252 ; j++)
		{
		a = ( j - p ) % 23 ;
		b = ( j - e ) % 28 ;
		c = ( j - i ) % 33 ;
		if(a == 0 && b == 0 && c == 0 )
		{
			cout<< "Case " << k << ": the next triple peak occurs in " << j - d << " days." << endl;
			break ;
		}
		
		}
	
	}
	return 0;
}