max and min

#include<stdio.h>
int main()
{
int a,b,c,max;
printf("Enter three numbers: ");
scanf("%d %d %d",&a,&b,&c);
if((a>b)&(a>c))
{max=a;}
else if((b>a)&(b>c))
{max=b;}
else if((c>a)&(c>b))
{max=c;}
printf("maximum among all three numbers=%d",max);
return 0;
}