#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main() {
    int n;
    if (scanf("%d", &n) != 1) {
        return 1;
    }
    if (n < 0) {
        printf("-1\\n");
        return 0;
    }
    if (n == 0) {
        printf("0.00\\n");
        return 0;
    }
    struct Employee employees;
    float total_salaries = 0.0;
    for (int i = 0; i < n; i++) {
        if(scanf("%s %d %d", employees[i].name, &employee[i].id, &employees[i].type) != 3) {
            return 1;
        }
        if (scanf("%d", &employees[i].salary_data.full_time_salary) != 1) {
            return 1
        }
        total-salaries += employees[i].salary_data.full_time_salary;
    } else if (employees[i].type == 2) {
        float hourly_rate;
        if (scanf("%f", &hourly_rate) != 1) {
            return 1;
        }
    }
        employees[i].salary_data.part_time_hourly_rate = hourly_rate;
        total_salaries += hourly_rate;
        return 0;
}