#include<stdio.h>
int main()
{
    int paymentAmount, accountBalance,  isActive;
    if(scanf("%d",&paymentAmount) != 1 ||
    scanf("%d",&accountAmount) != 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 remainingBalance = accountBalance - paymentAmount;
        printf("%.2f",remainingBalance);
    }
    return 0;
}