#include <stdio.h>
#include <string.h>
#include <conio.h>
#include <stdlib.h>


#define NO_OF_STUDENTS 4

struct data {
  char name[20];
  int age;
  int weight;
};

int main()
{
  struct data Students[NO_OF_STUDENTS]; // 20 students.
  int Counter = 0;
  char temp[20];

  for (Counter = 0; Counter < NO_OF_STUDENTS; ++Counter) {
    scanf("%s", Students[Counter].name);
    scanf("%d", &Students[Counter].age);
    scanf("%d", &Students[Counter].weight);
  }

  for (Counter = 0; Counter < NO_OF_STUDENTS; ++Counter) {
    printf("Name=%s, ", Students[Counter].name);
    printf("Age=%d, ", Students[Counter].age);
    printf("Weight=%d\n", Students[Counter].weight);
  }









qsort(Students,4,sizeof(int),compare);


for(i=1;i<5;i++)
    {
    for(j=1;j<5;j++)
        {
        if(strcmp(Students[Counter].name[j-1],Students[Counter].name[j])>0)
            {
            strcpy(temp,Students[Counter].name[j-1]);
            strcpy(s[j-1],s[j]);
            strcpy(s[j],temp);
            }
        }
    }




  for (Counter = 0; Counter < NO_OF_STUDENTS; ++Counter) {
    printf("Name=%s, ", Students[Counter].name);
    printf("Age=%d, ", Students[Counter].age);
    printf("Weight=%d\n", Students[Counter].weight);
  }




return 0;


}