#include <stdio.h>

int main()
{
    int paymentAmount, accountBalance,isActive
    if (scanf("%1f", &paymentAmount) !=1 ||
        scanf("%1f", &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;
    }