#include<stdio.h>
int main() {
    int paymentAmount,accountBalance,isactive;
    if(scanf("%d",&paymentAmount) !=1   ||
    scanf("%d",&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;
}