#include <stdio.h>
int main ()
{
    int paymentAmount, accountBalance, isActive;
    if(scanf("%d",& paymentAmount) !=1)
    {
        printf("Invalid input");
        return 0;
    }
    if(scanf("%d", & accountBalance) != 1)
    {
        printf("Invalid input");
        return 0;
    }
    if(scanf("%d", & isactive) != 1)
    {
        printf("Invalid input");
        return 0;
    }
    if(paymentAmount < 0 || paymentAmount > 1000000 || accountBalance < 0 ||accountBalance > 1000000 || (isActive != 0 && isActive != 1)){
        printf("Invalid input");
        return 0;
    }
    if(isactive == 0) {
        printf("Account Inactive");
        return 0;
    }
    if(payment Amount > accountBalance)
    {
        printf("Insufficient Balance");
        return 0;
    }
    double remainingBalance = accountBalance - paymentAmount;
    printf("%.2f", remainingBalance);
    return 0;
}