// editor2
#include<stdio.h>
int main()
{
       int paymentAmount;
       int accountBalance;
       int isActive;
       if(
           scanf("%d",&paymentAmount)!=1||
           scanf("%d",&accountBalance)!=1||
           scanf("%d",&isActive)!=1)
       {
           printf("Invalid input");
           return 0;
       }
       if(isActive==0)
       {
           printf("Account Inactive");
       }
       else if(paymentAmount> accountbalance)
       {
           printf("Insufficient Balance");
       }
       else
       {
           float reminingBalance= accountBalance - paymentAccount;
           printf("%.2f",remaingBalance);
       }
       return 0;
}