#include<stdio.h>

struct book
{
    char name[33];
    double price;
};
int main()
{
    int n;
    struct book arr[10];
    scanf("%d",&n);
    int i;
    for(i=0;i<n;i++)
    {
        getchar();
        gets(arr[i].name);
        scanf("%lf",&arr[i].price);
    }
    int index1=0;
    int index2=0;
    for(i=1;i<n;i++)
    {
       if(arr[i].price>=arr[index1].price) index1=i;
    }
    for(i=1;i<n;i++)
    {
       if(arr[i].price<=arr[index2].price) index2=i;
    }

    printf("%.2lf, %s\n",arr[index1].price,arr[index1].name);
    printf("%.2lf, %s\n",arr[index2].price,arr[index2].name);
    return 0;

}