#include<stdio.h>
int main()
{
    int pay,bal,act;
    scanf("%d",&pay);
    scanf("\n%d",&bal);
    scanf("\n%d",&act);
    if(act==0)
    {
        printf("\nAccount Inactive");
    }
    else if(pay>bal)
    {
        printf("\nInsufficient Balance");
    }
    else
    {
        printf("\n0.2%f",bal-pay);
    }
    return 0;
}