void main() {
	int nbEtud; 
	double math; 
	double ang; 
	double moy; 
	String avis; 
	int k; 
	int nbRefuse; 
	int nbPassable;
	int nbABien;
	int nbBien;
	int nbTBien;
	nbEtud = readInt( "nbEtud : " ); 
	nbRefuse = 0; 
	nbPassable = 0;
	nbABien = 0;
	nbBien = 0;
	nbTBien = 0;
	for(k=1; k<=nbEtud; k=k+1) {
		math = readDouble( "math : " ); 
		ang = readDouble( "ang : " ); 
		moy = (math+ang)/2; 
		if (moy<10) {
			avis = "refuse"; 
			nbRefuse = nbRefuse+1; 
		}
		else if (moy<12) {
			avis = "passable"; 
			nbPassable = nbPassable + 1;;
		}
		else if (moy<14) {
			avis = "assez bien"; 
			nbABien = nbABien + 1;
		}
		else if (moy<16) {
			avis = "bien"; 
			nbBien = nbBien + 1;
		}
		else {
			avis = "tres bien"; 
			nbTBien = nbTBien + 1;
		}
		println( "moy : " + moy ); 
		println( "avis : " + avis ); 
	}
	println( "nbRefuse : " + nbRefuse ); 
	println( "nbPassable : " + nbRefuse ); 
	println( "nbABien : " + nbABien );  
	println( "nbBien : " + nbBien );  
	println( "nbTBien : " + nbTBien ); 
}