import java.io.*;
import java.util.*;

public class Liitmine{
	public static void main(String argumendid[]) throws IOException{
	int arvud1[];
	int arvud2[];
	int vastused[];
	int vasKas[];
	int oigeid=0;
	long edetabel[];
	long stardiaeg=0,lopuaeg=0;
	BufferedReader sisse=new BufferedReader(new InputStreamReader(System.in));

	int i=0;
		System.out.println("Hakkame arvutama");
		System.out.print("Anna nimi kah: ");
		String nimi=sisse.readLine();
		arvud1=new int[10];
		arvud2=new int[10];
		vastused=new int[10];
		vasKas=new int[10];
		for(int a=0;a<10;a++){
			arvud1[a]=(int)(Math.random()*100+1);
			arvud2[a]=(int)(Math.random()*100+1);
		}

		for(int a=0;a<10;a++){
			vastused[a]=arvud1[i]+arvud2[i];
			i++;
		}
		i=0;
		stardiaeg=new Date().getTime();
		while(i<10){
			System.out.print(arvud1[i]);
			System.out.print(" + ");
			System.out.print(arvud2[i]);
			System.out.print(" = ");
			String abi=sisse.readLine();
			vasKas[i]=Integer.parseInt(abi);	
			i++;
		}
		lopuaeg=new Date().getTime();
		i=0;
		while(i<10){
			if(vasKas[i]==vastused[i]){
				oigeid++;
			}
			i++;
		}
		System.out.println("Őigeid: "+oigeid);
		System.out.println("Őigete protsent on: "+oigeid*10+"%");
		double aeg=(lopuaeg-stardiaeg)/1000;
		System.out.println("Aega kulus: "+(aeg)+" sekundit");
/*
		BufferedReader topist=new BufferedReader(new FileReader("top.txt"));
		String rida=topist.readLine();
		edetabel=new long[10];
		i=0;
		while(rida!=null){
			edetabel[i]=decode(rida);
			rida=topist.readLine();	
			i++;	
			}
		i=0;
*/
	}
}