#include<sdtio.h>
int main|()
{
    int  a,b,c;
    float r;
    r =(float)a-b;
    scanf("%d %d %d", &a,&b,&c);
    if(a!=0,b!=0,c!=0,c!=1)
    {
        printf("Invalid input\n");
    }
    else if (c==0)
    {
        printf("Account inactive\n");
    }
    else if(a>b)
    {
        printf("Insufficient Balance\n");
    }
    else
    {
        printf("%.2f");
    }

}