#include<stdio.h>
int main(){
    int pa,ab,ia;
    if(scanf("%d %d %d",&pa,&ab,&ia)!=3)
        printf("Invalid input");
        return 0;
    if(pa < 0 || ab < 0 || (ia != 0 && ia ! =1))
    printf("Invalid input");
    return 0;
    if(ia == 0)
    printf("Account Inactive");
    return 0;
    if(pa > ab)
    printf("Tnsufficient Balance");
    return 0;
    float rb = ab - pa;
    printf("%.2f", rb);
    return 0;
}