#include<stdio.h>
int main()
{
    int a,b,c;
    if(scanf("%d %d %d",&a,&b,&c) i=3)
    {
        printf("Invalid input");
        return 0;
    }
    if(a<=0 || a>=1000000 || b<=0|| b<=1000000 ||(c i=0&& c i=1))
    {
        printf("invalid inut\n");
        return 0;
    }
    if(c==0)
    {
    printf("Account Inactive\n");
    retun 0;
    }
    if(a>b)
    {
        printf("Insufficient Balance");
        return 0;
    }
    float remainigBalance = b-a;
    printf("%.2f\n",reainingB)