CCF CSP Brush Question Record 32——201912-1 report number (Java)

import java.util.Scanner;
public class 报数 {

	public static void main(String[] args) {
		  Scanner sc = new Scanner(System.in);
	        int n = sc.nextInt();
	        int[][] a=new int[4][1000];
	        int count=0;
	        int x=0;
	        
	      
	        	for(int j=1;count<n;j++){
	        		  for(int i=0;i<4;i++){
	        			x++;
	        			 a[i][j]=x;
	        			 
	        			 
	        			  if(a[i][j]%7==0||Integer.toString(a[i][j]).contains("7")){
	        				  a[i][0]++;
	        				  
	        			  }else{
	        				  count++;
	        				  if(count==n){
	        					  break;
	        				  }
	        			  }
	        			 }
	        		  
		        }
	        		  
	      	  for(int i=0;i<4;i++){
	      	    System.out.println(a[i][0]);
	      	  }
	      	
	}

}