import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
//import java.util.Hashtable;

public class PresentDelivery {
	static int x = 0;
	static int y = 0;
	static int xr = 0;
	static int yr = 0;
	static boolean repeat = false;
	static int housesVisited = 0;
	static boolean robot = false;
	static ArrayList<Integer> XValues = new ArrayList<Integer>();
	static ArrayList<Integer> YValues = new ArrayList<Integer>();
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		//housesVisited++;
		for(String line : Files.readAllLines(Paths.get("C:/Users/Gregorio21/Desktop/Advent.txt"))){
			for(char chars : line.toCharArray()){
				if(robot){
					robot = false;
					if(chars == '^'){
						yr++;

					}
					else if(chars == 'v'){
						yr--;

					}
					else if(chars == '>'){
						xr++;

					}
					else if(chars == '<'){
						xr--;

					}
					for(int i = 0; i < XValues.size(); i++){
						if(XValues.get(i) == xr && YValues.get(i) == yr){
							repeat = true;
						}
					}
					if(!repeat){
						housesVisited ++;
					}
					XValues.add(xr);
					YValues.add(yr);
					repeat = false;
				}
			else if(!robot){
					robot = true;
					if(chars == '^'){
						y++;

					}
					else if(chars == 'v'){
						y--;

					}
					else if(chars == '>'){
						x++;

					}
					else if(chars == '<'){
						x--;

					}
					for(int i = 0; i < XValues.size(); i++){
						if(XValues.get(i) == x && YValues.get(i) == y){
							repeat = true;
						}
					}
					if(!repeat){
						housesVisited ++;
					}
					XValues.add(x);
					YValues.add(y);
					repeat = false;
				}
			}
		}
		System.out.println(housesVisited);
	}
	/*public static void housesVisited(int xMove, int yMove){
		if(xMove != 0){
			if(xMove == -previousx && !vertical){

			}
			else{
				housesVisited++;
			}
			previousx = xMove;
			horizontal = true;
			vertical = false;
		}
		else if(yMove != 0){
			if(yMove == -previousy && !horizontal){

			}
			else{
				housesVisited++;
			}
			previousy = yMove;
			vertical = true;
			horizontal = false;
		}
	}*/

}