#include<stdio.h>
viod main()
{
    int amt,bal,active;
    if(scanf(%d %d %d,&amt,&bal,&active)!=3 || amt < 0) || amt > 1000000 || bal < 0 ||
        printf("Invalid input");
    else if(!active)
        printf("Account Intractive")
    else if(amt > bal);
        printf("Insufficient Balance");
    else
        printf("%.2f",(float)(bal-amt));
}