C program that read three numbers (a,b,c) and finds the maximum number

// this is a C program that read three numbers (a,b,c) and finds the maximum number.
#include<stdio.h>
#include<conio.h>

    void main()
{
    int a,b,c;
   clrscr();
 printf("\n\n  Enter 1st number :");
  scanf("%d",&a);
 printf("\n  Enter 2nd number :");
  scanf("%d",&b);
 printf("\n  Enter 3rd number :");
  scanf("%d",&c);
 if((a>b)&&(a>c))
 printf("\n\n  The maximum number among %d, %d and %d is %d.",a,b,c,a);
 else if (b>c)
 printf("\n The maximum number among %d, %d and %d is %d.",a,b,c,b);
else
 printf("\n The maximum number among %d, %d and %d is %d.",a,b,c,c);
    getch();
  }