#include<stdio.h>
typedef struct node{
    char name[20];
    int id;
    float price;
}s2;
int main(){
    int size;
    float result=0.0;
    scanf("%d",&size);
    s2 arr[size];
    for(int i=0;i<size;i++){
        scanf("%s/n%d/n%d",arr[i].name,&arr[i].name,&arr[i].price);
        result += arr[i].price;
        printf("%f ",arr[i].);
    }
    printf("%.2f",result);
    return 0;
}