/**
 *
 * @author Hantack
 */
public class SumaNumeros {

    public static void main(String[] args) {
        int res = 0;
        int cont=1;
        while(cont <= 100){
            res += cont;
            cont++;
        }

        System.out.println("La suma del 1-100 es: "+res);
    }

}