#include<iostream>
using namespace std;
int main(){
	int p,e,i,d,j=1,k=1,m=0,n=0,a[1000]={0},x=0;

	cin>>p>>e>>i>>d;
	while(p!=-1&&e!=-1&&i!=-1&&d!=-1){
	p=p%23;
	e=e%28;
	i=i%33;
    n=e+1;
	while(n%28!=e){
		n=23*j+p;
		++j;
	}
	m=n;
	while(m%33!=i){
		m=23*28*k+n;
		++k;
	}
    a[x]=m-d;
	
	++x;
	j=1;
	k=1;
	cin>>p>>e>>i>>d;
	}
     
	for(int h=0;h<x;++h){
        a[h]=(a[h]<=21252?a[h]:a[h]-21252);
		cout<<"Case"<<' '<<h+1<<':'<<' '<<"the next triple peak occurs in"<<' '<<a[h]<<' '<<"days."<<endl;
	}
	return 0;
}