Triangle

/*check whether a triangle is valid or not*/
#include<stdio.h>
int main ()
{
    int side1,side2,side3,largeside,sum;
    printf("\nEnter first side of the triangle:- ");
    scanf("%d",&side1);
    printf("\nEnter second side of the triangle:- ");
    scanf("%d",&side2);
    printf("\nEnter third side of the triangle:- ");
    scanf("%d",&side3);
    if(side1>side2)
    {
        if(side1>side3)
        {
            sum=side2+side3;
            largeside=side1;
        }
        else
        {
            sum=side1+side2;
            largeside=side3;
        }
    }
    else
    {
        if(side2>side3)
        {
            sum=side1+side3;
            largeside=side2;
        }
        else
        {
            sum=side1+side2;
            largeside=side3;
        }
    }
    if(sum>largeside)
        printf("the Triangle is a valid Triangle\n");
    else
        printf("the Triangle is an invalid Triangle\n");

    return 0;
}