largest in tHREE number

#include<stdio.h>
#include<conio.h>
void main()
{
int num1,num2,num3,l ;
printf("\n enter any three numbers");
scanf("%d%d%d",&num1,&num2,&num3);
if(num1==num2==num3)
printf("\n all numbers are equal");
else
if(num1>num2)
if(num1>num3)
l=num1;
else
l=num3;
if(num2>num3)
l=num2;
else
l=num3;

printf("\n largest number is=%d",l);
getch();
}