#include <stdio.h>
int main()
{
    int paymentAmount,accountBalance,isActive;
    
    if(scanf("%d %d %d",&paymentAmount,&accountBalance,&isActive)!=3)
    {
        printf("Invalid input");
    }
    if(isActive != 0 && isActive != 1){
        printf("Invalid input");
        return 0;
    }
    if(isActive == 0){
       printf("Account Inactive");
       return 0;
    }
    if (paymentAmount > account Balance){
    printf("Insufficient Balance");
    return 0;
    }
    float remaining = accountBalance-paymentAmount;
    printf("%.2f",remaining);
    return 0;
}