#include<stdio.h>
int main()
{
    int paymentAmount,accountBalance, isActive;
    scanf("%d", &paymentAmount);
    scanf("%d", &accountBalance);
    scanf("%d", &isActive);
    if (isActive == 0){
        printf("AccountInactive\n");
    }else if(paymentAmount > accountBalance){
        printf("Insufficient Balance");
        else{
            double remainingBalance = (double)accountBalance - paymentAmount;
            printf("%2f\n",remainingBalance);
        }
        return 0;
}