#include<stdio.h>
void main()
{
    float pa,ab;
    int active;
    scanf("%f",&pa);
    scanf("%f",&ab);
    scanf("%d",&active);
    if(active==0)
    {
        printf("Account Inactive\n");
    }
    else if(ab<pa)
    {
        printf("Insufficient Balance\n");
    }
    else
    {
        float remaining = ab-pa;
        printf("%.2f",remai)
    }
}