poj2583---Series Determination

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int x,y,z,a,b,c;
    while(scanf("%d %d %d",&x,&y,&z) !=EOF)
    {
        a=(z+x-*y)/;
        b=(*y-*x-z)/;
        c=x;
        printf("%d %d %d\n",*a+*b+c,*a+*b+c,*a+*b+c);
    }
    return ;
}