#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(paymentAmount > accountBalance)
{
    printf("Insufficient Balance");   
    }
    else 
    {
        float remainingBalance = accountBalance - paymentAmount;
        printf("%.2f",remainingBalance);
    }
    return 0;
}