#include<stdio.h>
int main()
{
    int paymentAmount,accountBalance,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(paymentAmunt> accountBalance)
    {
        printf("Insufficient Balance");
    }
    else
    {
        float remainingBalance - accountBalance - paymentAmount;
        printf("%.2f",remainingBalance);
    }
    return 0;
}