// I wanna win
#define B52 a[j][i] = a[j][i] == 'L' ? 'R' : 'L';
#define B51
#define B50 char c = cl[i] > cr[i] ? 'L' : 'R';
#define B4F
#define B4E printf("%lld %lld
", x, y);
#define B4D if (a[i][j] == 'L') {
#define B4C __TEMP_READ_VALUE;
#define B4B array<array<char,
#define B4A __Initer_t()
#define B49 puts("-1");
#define B48 __Initer_t
#define B47 array<tp,
#define B46 __Initer;
#define B45 namespace
#define B44 (a[1][i]
#define B43 (a[i][j]
#define B42 (a[n][i]
#define B41 a[n][1])
#define B40 ++cl[i];
#define B3F ++cr[i];
#define B3E a[1][1])
#define B3D a[i][j];
#define B3C (cnt++)
#define B3B typedef
#define B3A break;
#define B39 struct
#define B38 1003>,
#define B37 main()
#define B36 return
#define B35 signed
#define B34 1003>
#define B33 cl[i]
#define B32 using
#define B31 cr[i]
#define B30 (cnt
#define B2F bool
#define B2E long
#define B2D ++j)
#define B2C ++i)
#define B2B else
#define B2A std;
#define B29 (tp
#define B28 cin
#define B27 cnt
#define B26 cr;
#define B25 cl,
#define B24 tp;
#define B23 for
#define B22 ra,
#define B21 <=
#define B20 i;
#define B1F if
#define B1E ==
#define B1D j;
#define B1C >>
#define B1B a,
#define B1A n;
#define B19 a;
#define B18 b;
#define B17 !=
#define B16 &&
#define B15 0,
#define B14 0;
#define B13 1)
#define B12 c)
#define B11 tp
#define B10 f;
#define BF 1;
#define BE 2;
#define BD x,
#define BC y;
#define BB n
#define BA f
#define B9 b
#define B8 a
#define B7 j
#define B6 =
#define B5 x
#define B4 <
#define B3 y
#define B2 i
#define B1 {
#define B0 }
#pragma region HEAD
#include <time.h>
#include <algorithm>
#include <array>
#include <bitset>
#include <cmath>
#include <complex>
#include <functional>
#include <iostream>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <unordered_map>
#include <utility>
#include <vector>
#ifdef ___RB_DEBUG___
#include "rb_debug.h"
#else
#define dbg(...)
#endif
#define ra (scanf("%lld", &__TEMP_READ_VALUE), __TEMP_READ_VALUE)
#define LIKELY(exp) __builtin_expect(bool(exp), 1)
#define UNLIKELY(exp) __builtin_expect(bool(exp), 0)
#define B53 B3B B2E B2E B24 B11 B4C B32 B45 B2A 
#define B54(__FOX__) __FOX__
B54(B53)
#pragma endregion HEAD
#define B55 B35 B37 B1 B2F BA B6 BF B11 BB B6
#define B56 B22 B27 B6 B15 BD BC B47 B34 B25 B26
#define B57 B4B B38 B34 B1B B18 B23 B29 B2 B6 BF
#define B58 B2 B21 B1A B2C B1 B23 B29 B7 B6 BF
#define B59 B7 B21 B1A B2D B1 B28 B1C B3D B0 B33
#define B5A B6 B14 B31 B6 B14 B0 B9 B6 B19 B23
#define B5B B29 B2 B6 BE B2 B21 B1A B2C B1 B1F
#define B5C B44 B17 B3E B1 B23 B29 B7 B6 BF B7
#define B5D B21 B1A B2D B1 B52 B0 B0 B0 B23 B29
#define B5E B2 B6 BE B2 B21 B1A B2C B1 B23 B29
#define B5F B7 B6 BF B7 B21 B1A B2D B1 B4D B40
#define B60 B0 B2B B1 B3F B0 B0 B0 B23 B29 B2
#define B61 B6 BE B2 B21 BB B16 B10 B2C B1 B50
#define B62 B23 B29 B7 B6 BF B7 B21 B1A B2D B1
#define B63 B1F B43 B17 B12 B1 B1F B3C B1 BA B6
#define B64 B14 B3A B0 B5 B6 B20 B3 B6 B1D B0
#define B65 B0 B0 B1F B30 B1E B13 B1 B4E B0 B2B
#define B66 B1 B27 B6 B14 BA B6 BF B8 B6 B18
#define B67 B23 B29 B2 B6 BE B2 B21 B1A B2C B1
#define B68 B1F B42 B17 B41 B1 B23 B29 B7 B6 BF
#define B69 B7 B21 B1A B2D B1 B52 B0 B0 B0 B23
#define B6A B29 B2 B6 BF B2 B4 B1A B2C B1 B23
#define B6B B29 B7 B6 BF B7 B21 B1A B2D B1 B4D
#define B6C B40 B0 B2B B1 B3F B0 B0 B0 B23 B29
#define B6D B2 B6 BF B2 B4 BB B16 B10 B2C B1
#define B6E B50 B23 B29 B7 B6 BF B7 B21 B1A B2D
#define B6F B1 B1F B43 B17 B12 B1 B1F B3C B1 BA
#define B70 B6 B14 B3A B0 B5 B6 B20 B3 B6 B1D
#define B71 B0 B0 B0 B1F B30 B1E B13 B1 B4E B0
#define B72 B2B B1 B49 B0 B0 B36 B14 B0 B39 B48
#define B73 B1 B4A B1 B4F B51 B0 B0 B46 
#define B74 B55 B56 B57 B58 B59 B5A B5B B5C B5D B5E
#define B75 B5F B60 B61 B62 B63 B64 B65 B66 B67 B68
#define B76 B69 B6A B6B B6C B6D B6E B6F B70 B71 B72
#define B77 B73 
#define B78 B74 B75 B76 B77 
#define B79(__FOX__) __FOX__
B79(B78)