#include<stdio.h>
#include<string.h>
#define SIZE 81
#define STOP "quit"
#define LINE 10

 
   int main(void)
   {
                          
 char input[LINE][SIZE];

 
 int ct = 0;
   // int num;                                                     
 printf("please input %d line(type quit to quit):\n", LINE);
 while(ct < LINE && strcmp( gets(input[ct]), "") != NULL && strcmp(input[ct], STOP) != 0)
 {
  ct++;
  puts(input[ct]);
 
 }
 printf("there are %d line \n.", ct);                             
}