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

#define MAXS 21

typedef struct{
	char ime[MAXS];
	char prezime[MAXS];
	float prosek;
} student;

int poredi(const void *a, const void *b){
	student *sa = (student*)a;
	student *sb = (student*)b;
	return sa->prosek-sb->prosek; 
}

int main(int argc, char *argv[]){
	FILE *f;
	student *s;
	int i, n;

	if(argc <2)
		exit(EXIT_FAILURE);
	
	f = fopen(argv[1],"r");
	if(f==NULL)
		exit(EXIT_FAILURE);
	
	fscanf(f, "%d", &n);
	
	s = malloc(sizeof(student)*n);
	if(s==NULL)
		exit(EXIT_FAILURE);

	for(i=0; i<n; i++)
		fscanf(f, "%s %s %f", s[i].ime, s[i].prezime, &(s[i].prosek));

	qsort(s, n, sizeof(student), poredi);	
	
	for(i=0; i<n; i++)
		printf("%s %s %f\n",s[i].ime, s[i].prezime, s[i].prosek);

	free(s);
	fclose(f);
}