#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 compare (const void * a, const void * b);


int main()
{
  struct data Students[NO_OF_STUDENTS]; // 20 students.
  int Counter = 0;
  char temp[20];
  int i,j;
  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[j-1].name,Students[j].name)>0)
            {
            strcpy(temp,Students[j-1].name);
            strcpy(Students[j-1].name,Students[j].name);
            strcpy(Students[j].name,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;


}





int compare (const void * a, const void * b)
{
  return ( *(int*)a - *(int*)b );
}