#include <stdio.h>
int main() {
    int paymentAmount, accountBlance, isActive;
    if(scanf("%d", &paymentAmount) !=1 || 
    scanf("5d", &accountBalance) !=1 || 
    scanf("%d" ,&isActive) !=1)
    {
        printf("Invalid input");
        return 0;
    }
    if(isActive==0)
    {
        printf("Account Inactive");
        
    }
    else if (paymentAmount > accountBalance)
    {
        printf("Insufficient Blance");
    }
    else
    {
        float remainingBalance - accountBalance - paymentAmount;
        printf("%.2f", remainingBlance);
    }
    return 0;
}