#include<stdio.h>
#include<conio.h>
int main()
{
int a,b,c;
printf("Enter the sides of the triangle : ");
scanf("%d%d%d", &a,&b,&c);
if((a<(b+c)) && (b<(a+c)) && c<(b+a))
printf("\n\nThe triangle is valid.");
else
printf("\n\nThe triangle is not valid");
getch();
return 0;
}