#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 (payementAmount < 0 || payementAmount > 1000000 || accountBalance < 0 || accountBalance > 1000000 || (isActive  != 0 && isActive != 1))
    {
        printf("Invalid input");
        return 0
    } 
    if (isActive == 0)
    {
        printf("Account Inactive");
    }
    else if (paymentAmount > accountBalance)
    {
        printf("Insufficient Balance");
    }
    else
    {
        float remainingBalance = accountBalance - paymentAmount;
        printf("%.2f",remainingBalance);
    }
    return 0;
}