test5

#include<stdio.h>
#include<string.h>
struct book{
    char book_name[31];
    double cost; 
    
};

int main(void){
    int n;
    scanf("%d",&n);
    struct book b[9];   
    int max_index=0,min_index=0;
    for(int i=0;i<n;i++){
            getchar();
        gets(b[i].book_name);
        scanf("%lf",&b[i].cost);
        if(b[max_index].cost<b[i].cost){
            max_index=i;
        }
        if(b[min_index].cost>b[i].cost){
            min_index=i;
        }
    }

    printf("%.2f, %s\n",b[max_index].cost,b[max_index].book_name);
    printf("%.2f, %s",b[min_index].cost,b[min_index].book_name);    
    
    
    
    return 0;
}