// editor2
#include<stdio.h>
int main ()
{
    int isActive;
    int paymentAmount,accountBalance;
    if (scanf("%d",&paymentAmount)!=1)
    {
        printf("Invalid input");
        return 0;
    }
    if(scanf("%d",&accountBalance)!=1)
    {
        printf("Invalid input");
    }
    return 0;
    if (scanf("%d", &isActive)!=1)
    {
        printf("Invalid input");
    }
    if(paymentAmount<0||paymentAmount>1000000||accountBalance>1000000||(isActive !=0 && isActive != 1))
    {
        printf("Invalid input");

    {
        return 0;
    }
    if (isActive == 0)
    {
        printf("Account Inactive");
    }
    else if(paymentAmount>accountBalance)
    {
        printf("Insufficiant Balance");
    }
    else
    {
        double remaining=accountBalance-paymentAmount;
        printf("%.2f", remaining);
    }
    return 0;
}