#include <stdio.h>
int main()
{
    float bb;
    scanf("%f",&bb);
    int n;
    scanf("%d",&n);
    
    float withdraw=bb-am;
    printf("%f",withdraw);
   
    float deposit=bb+a;
    printf("%f",deposit);

    float fb=deposit-wihdraw;
    printf("%.2f",fb);
}