WAP to find Maximum number from following three numbers which given by user

#include<stdio.h>
#include<conio.h>

void main()

{
	float a,b,c;
	clrscr();

	printf("enter three values:");
	scanf("%f %f %f",&a,&b,&c);

	if(a>b)
		{
			if(a>c)
				printf("%f",a);
			else
				printf("%f",c);
		}
	else
		{
			if(c>b)
				printf("%f",c);
			else
				printf("%f",b);
		}

	getch();
}