判断abc中最大的数 c语言

#include
int main()
 
 {
  int a,b,c;
  int m;
  printf("Please input a b c\n");
  scanf("%d %d %d",&a,&b,&c);
  m = a;
  if  (b > m) m = b;
  if  (c > m) m = c;
  printf("Max is %d\n",m);
 }