#include <stdio.h>

 #include <stdlib.h>

 struct student{

     int num;

     char str[];

     double dec;

 };

 void scan(struct student stu[], int *n){

     scanf("%d", n);

     for(int i = ; i < *n; ++i){

         scanf("%d%s%lf", &stu[i].num, stu[i].str, &stu[i].dec);

     }

 }

 void print(struct student stu[], int n){

     printf("%d\n", n);

     for(int i = ; i < n; ++i){

         printf("%d %s %lf\n", stu[i].num, stu[i].str, stu[i].dec);

     }

 }

 int main(){

     int n;

     struct student stu[];

     scan(stu, &n);

     print(stu, n);

     return ;

 }

 /*

 3

 20 字符串0 20.02

 21 字符串1 21.12

 22 字符串2 22.22

 */