[Poj1006]生理周期 (中国剩余定理)

#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
    int p,e,i,d,T=1;
    cin>>p>>e>>i>>d;
    do{
        int lcm=21252;
        int ans=(5544*p+14421*e+1288*i-d+lcm)%lcm;
        if(ans==0) ans=lcm;
        cout<<"Case "<<T++<<": the next triple peak occurs in "<<ans<<" days."<<endl;
        cin>>p>>e>>i>>d;
    }while(p!=-1);
    return 0;
}