using System;

public class Program

{

    public static void Main()

    {

       int a;

        int b;

        int c;

        int d;

        int f;

        int g;

        int h;

        int k;

        int l;

        int m;

        int n;

        int q;

        int nMes;

        int w;

        int x;

        int y;

        int z;

        a=0;

        b=10;

        c=18;

        d=0;

        f=-3;

        g=4;

        h=7;

        k=366;

        l=365;

        m=2000;

        n= 100;

        q=-1;

        w= 2;

        nMes= 6;

        x=3;

        y=4;

        z=5;

        if(x+y>z && y+z>x && z+x>y)

        {

            Console.WriteLine("valido");

        }

        else 

        {

            Console.WriteLine("invalido");

        }   

        if(a==0)

        {

            Console.WriteLine("cero");

        }

        if(a<b)

        {

            Console.WriteLine("positivo");

        }

        if(q<b)

        {

            Console.WriteLine("negativo");

        }

        if(a<b && b<c)

        {

            Console.WriteLine("c es mayor a todos");

        }

        else if(a>b)

        {

            Console.WriteLine("c es mayor q b");

        }

        if(a==d)

        {

            Console.WriteLine("F");

        }

        if(h%g==0)

        {

            Console.WriteLine("divisible");

        }

            else 

        {

            Console.WriteLine("no divisible");

            }               

                if(m%g==0 && m%n==0)

        {

            Console.WriteLine("bisiesto");

                    if(a<b && b<c)

        {

            Console.WriteLine("c es mayor a todos");

        }

        else if(a>b)

        {

            Console.WriteLine("c es mayor q b");

                }

    }

}