Program to find greatest number among three numbers

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

void main()
{
int x,y,z,max;
clrscr();
printf("\n Enter first Number : ");
scanf("%d",&x);

printf("\n Enter Second Number : ");
scanf("%d",&y);

printf("\n Enter Third Number : ");
scanf("%d",&z);

max=x;
if(y>max && y>z)
max=y;
else
if(z>max)
max=z;
printf("\n\t The Greatest Number is : %d",max);
getch();
}


                                               Output