public void executerOpRel() {
		switch(this.opera.peek()) {
		case EGAL : Yaka.yvm.iegal();this.opera.pop();break;
		case DIFF : Yaka.yvm.idiff();this.opera.pop();break;
		case INFEGAL : Yaka.yvm.iinfegal();this.opera.pop();break;
		case INF : Yaka.yvm.iinf();this.opera.pop();break;
		case SUP : Yaka.yvm.isup();this.opera.pop();break;
		case SUPEGAL : Yaka.yvm.isupegal();this.opera.pop();break;
		}
	}