#include<stdio.h>
int main()
{
	int a,b,c,max;
	printf("Please input a,b,c:\n");
	scanf("%d,%d,%d",&a,&b,&c);   //输入时以逗号为分隔符
	max=a;
	if (max<b) max=b;
	if (max<c) max=c;
	printf("The largest number is:%d\n",max);
	return 0;
}

///////////////////

#include<stdio.h>
int main()
{
	int a,b,c,max;
	printf("Please input a,b,c:\n");
	scanf("%d %d %d",&a,&b,&c);   #这样输入时就是以空格为分隔符 
	max=a;
	if (max<b) max=b;
	if (max<c) max=c;
	printf("The largest number is:%d\n",max);
	return 0;
}