#include<stdio.h>
int main() 
     int paymentAmount, accountBalance, isActive;
     if (scanf("%d %d %d", &paymentAmount, &accountBalance, &isActive) !=3) {
         printf("Invaid input\n");
         return 0;
     }
     if(isActive == 0) {
         printf("Accont Inactive\n");
     }
     else if (paymentAmount > accountBalance) {
         printf("Insufficient Balance\n");
     }
     else {
         float remaining = (float)(accountBalance - paymentAmount);
         printf("%.2f\n", remaining);
     }
     return 0;
     }