#include<stdio.h>
struct shop{
    char prdname[20];
    int id;
    float amount;
}
int main()
{
    int n;
    scanf("%d",&n);
    if(n<0)
    {
        printf("Invalid input");
        return 0;
    }
    struct shop s1[3];
    for(int i=0;i<n;i++)
    {
        scanf("%s%d%d",s1[i],&s1[i],&s1[i]);
    }
}