#include<stdio.h>
#include<math.h>

#define PI 3.14159265

int main()
{
    int a,b,c;
    double A,B,C,val,ret1,ret2,ret3;

    val=PI/180;

    printf("Enter Length of Three Sides of a Triangle\n");
    scanf("%d%d%d", &a, &b, &c);

        printf("Enter ANGELS  of a Triangle\n");
        scanf("%lf%lf%lf", &A, &B, &C);

    ret1= sin(A*val);
    ret2= sin(B*val);
    ret3= sin(C*val);



       if( (a+ b > c) && (b + c > a) && (c + a > b) )
       {
              if((A+B+C)==180 && A!=0 && B!=0 && C!=0)
             {
                 if( ( (double)a/ret1) == ( (double)b/ret2 ) &&  ( (double)b/ret2) == ( (double)c/ret3 ) )
                 {

                     printf("The Triangle Is Valid !! ");
                 }


             }

       }


    else
    {
        printf("It is an invalid Triangle");
    }

    return 0;

}