Find smallest number

/* C Program to Find Smallest Number out of 4 Number Using Array */

#include <stdio.h>
#include <conio.h>
int main()
{
int a[4],i,low;
printf("Enter 4 Numbers\n\n");
for(i=0;i<4;i++)
scanf("%d",&a[i]);
low=a[0];
for(i=0;i<4;i++)
{
if(a[i]<low)
low=a[i];
}
printf("\nSmallest Number is=%d ",low);
getch();
return 0;
}