#include<stdio.h>
int main() {
    float paymentAmount, accountBalance;
    int isActive;
    if(scanf("%f %f %d", &paymentAmoungt > 1000000 || accountBalance, &isActive) != 3) {
        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");
    }else if (paymentAccount > accountBalance) {
        printf("Insufficient Balance");
    }
    else {
        float remainingBalance = accountBalance - paymentAmount;
        printf("%.2f", remainingBalance);
    }
    return 0;
}