Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	// var w, h int
	for scanner.Scan() {
		// fmt.Scanf("%d %d", &w, &h)

		input := strings.Split(scanner.Text(), " ")
		w, _ := strconv.Atoi(input[0])
		h, _ := strconv.Atoi(input[1])

		if w == 0 && h == 0 {
			return
		}

		isArrive := make([][]bool, w)
		tiles := make([][]string, w)

		for i := 0; i < w; i++ {
			rowArrive := make([]bool, h)
			rowTiles := make([]string, h)
			scanner.Scan()
			row := scanner.Text()
			for j := 0; j < h; j++ {
				rowTiles[j] = string(row[j])
			}
			tiles[i] = rowTiles
			isArrive[i] = rowArrive
		}

		var i, j int
		isEnd := false
		for {
			if isArrive[i][j] == true {
				fmt.Println("LOOP")
				break
			}
			isArrive[i][j] = true

			switch tiles[i][j] {
			case ">":
				j++
			case "^":
				i--
			case "v":
				i++
			case "<":
				j--
			case ".":
				isEnd = true
			}

			if isEnd == true {
				fmt.Println(j, i)
				break
			}
		}
	}
}

C++: #include <cstdio>
#include <cstring>
#include <iostream>
#include <string>
#define debug(A) puts(A)
#define debugp(A,B) printf(A,B)
#define debugs(A,B) scanf(A,B)
using namespace std;

int main() {
  int mapx, mapy;
  int x, y, tmp0 = 0, tmp1 = 0, tmp2 = 0;
  char map[150][150] = {0}, tmpc = 1;
  scanf("%d %d", &mapx, &mapy);
  while (mapx+mapy) {
    scanf("%c", &tmpc);
    while (tmp0 < mapx) {
      tmp1 = 0;
      while (tmp1 < mapy) {
        scanf("%c", &map[tmp0][tmp1]);
        tmp1++;
      }
      scanf("%c", &tmpc);
      tmp0++;
    }
    tmp0 = 0, tmp1 = 0, tmp2 = 0, tmpc = 1;
    x = 0, y = 0;
    while (tmpc) {
      if (tmp2 == 2000) break;
      if (map[x][y] == '>') y++;
      else if (map[x][y] == '<') y--;
      else if (map[x][y] == '^') x--;
      else if (map[x][y] == 'v') x++;
      else if (map[x][y] == '.') tmpc = 0;
      // else tmpc = 0;
      tmp2++;
      // debugp("Debug: %c %d %d\n", map[x][y], (x+1), (y+1));
    }
    if (tmp2 == 2000) puts("LOOP");
    else printf("%d %d\n", (x+1), (y+1));
    scanf("%d %d", &mapx, &mapy);
  }
  return 0;
}

C++: #include <iostream>
using namespace std;

int main() {
    while (true) {
        int h, w;
        cin >> h >> w;
        if (h == 0 && w == 0) {
            break;
        }
        char** field = new char* [h];
        for (int i = 0; i < h; i++) {
            field[i] = new char [w + 1];
        }
        for (int i = 0; i < h; i++) {
            cin >> field[i];
        }
        int x = 0, y = 0;
        char op = field[y][x];
        while (op != '.' && op != '0') {
            field[y][x] = '0';
            switch (op) {
            case '>':
                x++;
                break;
            case '<':
                x--;
                break;
            case '^':
                y--;
                break;
            case 'v':
                y++;
                break;
            }
            op = field[y][x];
        }
        if (op == '.') {
            cout << x << " " << y << endl;
        } else if (op == '0') {
            cout << "LOOP" << endl;
        }
        for (int i = 0; i < h; i++) {
            delete[] field[i];
        }
        delete[] field;
    }
}

C++: #include <iostream>

using namespace std;

int main()
{
	int h, w;
	
	while (cin >> h >> w,h || w){
		int map = h * w;
		char f[101][101];
		for (int i = 0; i < h; i++){
			cin >> f[i];
		}
		h = w = 0;
		while (map){
			if (f[h][w] == '>'){
				w++;
			}
			else if (f[h][w] == '<'){
				w--;
			}
			else if (f[h][w] == '^'){
				h--;
			}
			else if (f[h][w] == 'v'){
				h++;
			}
			else if (f[h][w] == '.'){
				break;
			}
			map--;
		}
		if (map == 0){
			cout << "LOOP" << endl;
		}
		else {
			cout << w << ' ' << h << endl;
		}
	}
	
	return (0);
}

C++: #include <iostream>
#include <stdlib.h>

using namespace std;

int main(int argc, char **argv)
{
	int *array1, *array2, n, m, tmp, i, j;
	char w;
	
	while(1){
		cin >> n >> m;
		if(n == 0 || m == 0){
			break;
		}
		if(n*m > 2){
			array1 = (int *)calloc(n*m, sizeof(int));
			array2 = (int *)calloc(n*m, sizeof(int));
		} else {
			array1 = (int *)calloc(2, sizeof(int));
			array2 = (int *)calloc(2, sizeof(int));
		}
		
		for(i = 0; i < n; i++){
			for(j = 0, tmp = i*m; j < m; j++){
				cin >> w;
				
				if(w == '>'){
					array1[tmp+j] = tmp + j + 1;
				} else if(w == 'v'){
					array1[tmp+j] = tmp + j + m;
				} else if(w == '<'){
					array1[tmp+j] = tmp + j -1;
				} else if(w == '^'){
					array1[tmp+j] = tmp + j - m;
				} else {
					array1[tmp+j] = -1;
				}
			}
		}
		
		tmp = array1[0];
		array2[0] = 1;
		while(1){
			if(array2[tmp] == 1){
				cout << "LOOP" << endl;
				break;
			} else if(array1[tmp] == -1){
				i = tmp % m;
				j = (int)(tmp / m);
				cout << i << " " << j << endl;
				break;
			}
			
			array2[tmp] = 1;
			tmp = array1[tmp];
		}		
		
		free(array1);
		free(array2);
	}
	
	return 0;
}

C++: #include<iostream>
using namespace std;
int main(){
  int H,W,x,y;
  while(cin>>H>>W){
    if(H==0&&W==0) break;
    char space[W][H],c;
    for(int i=0;i<H;i++){
      for(int j=0;j<W;j++){
	cin >> space[j][i];
      }
    }
    x = y = 0;
    while(1){
      c = space[x][y];
      space[x][y] = '0';
      if(c=='>') x++;
      else if(c=='<') x--;
      else if(c=='v') y++;
      else if(c=='^') y--;
      else if(c=='.'){
	cout << x << ' ' << y << endl;
	break;
      }
      else if(c=='0'){
	cout << "LOOP" << endl;
	break;
      }
    }
  }
  return 0;
}