# include
void main()
{
int max(int x,int y,int z);
int min(int x,int y,int z);
int a,b,c,ma,mi,diff;
scanf("%d,%d,%d",&a,&b,&c);
ma=max(a,b,c);
mi=min(a,b,c);
diff=ma-mi;
printf("max = %d\nmin = %d\ndiff = %d\n",ma,mi,diff);
}
int max(int x,int y,int z)
{
int m,n;
if(x>y) m = x;
else m = y;
if(m>z) n = m;
else n = z;
return(n);
}
int min(int x,int y,int z)
{
int m,n;
if(x>y) m = y;
else m = x;
if(m>z) n = z;
else n = m;
return(n);
}