Greatest Value Among Three Numbers [C Programming]

#include <stdio.h>
void main()
{
    int a, b, c;
    printf("Enter a number in a:");
    scanf("%d", &a);
    printf("Enter a number in b:");
    scanf("%d", &b);
    printf("Enter a number in c:");
    scanf("%d", &c);
    if(a >= b && a >= c) // a > b, a > c
    {
        printf("%d is largest", a);
    }
    else if(b >= a && b >= c) // b > a, b > c
    {
        printf("%d is largest", b);
    }
    else if(c >= a && c >= b) // c > a, c > b
    {
        printf("%d is largest", c);
    }
}