A題不分早晚！

第一道列舉水題

import java.util.Scanner;

public class Main{

	public static void main(String[] args) {
	   Scanner sc = new Scanner(System.in);
       int p,e,i,d;
       int m =1;
       while((p=sc.nextInt())!=-1&&(e=sc.nextInt())!=-1&&(i=sc.nextInt())!=-1&&(d=sc.nextInt())!=-1){
    	   sc.nextLine();
    	   int x = d+1;
    	   for(;x<=21252;x++){
    		   if((x-p)%23==0) 
    			   break;
    	   }
    	   for(;x<=21252;x+=23){
    		   if((x-e)%28==0)
    			   break;
    	   }
    	   for(;x<=21252;x+=28*23){
    		   if((x-i)%33==0)
    			   break;
    	   }
    	   System.out.println("Case "+(m++)+": the next triple peak occurs in "+(x-d)+" days.");
       }
	}

}