#define _CRT_SECURE_NO_WARNINGS
#include <windows.h>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <string>
#include <algorithm>
using namespace std;
typedef long long ll;

int N, M, A, C, row, top, down, tn, tm, dir, pos;
char field[401][401], result[401][401];
int value[401][401];

#define sc for(int i=1; i<=N; i++){for(int j=1; j<=M; j++){

struct pellet {
	int n, m, dir, prev;
}p;

void Copy() { sc result[i][j] = field[i][j]; }}}

int TestZero() { sc if (field[i][j] != 46)return 0; }}return 1;}

int Balance() {
	int i, sum = 0;
	for (i = top; i <= down; i++) {
		sum += value[i][tm];
	}                               
	return sum - 2 * A;                 
}

int BalanceVer() {
	int i, sum = 0;
	for (i = top; i <= down; i++) {
		sum += value[tn][i];
	}
	return sum - 2 * A;
}
	



void solve24() {
	top = M / 2; tn = 2; dir = 1; row = 1;
	if (M % 2 == 0) down = top + 1; else down = top + 2;
	pos = 2; result[1][down] = 92;
	while (1) {
		if (dir == 1) {
			if (pos == 1) {        // ................ pos = 1 ................OK
				if (tn < N) {
					if (BalanceVer() > 0) { result[tn][top] = result[tn][down] = 92; tn++; pos = 2; continue; }
					else { tn++; continue; }
				}
				else {    // tn = N
					if (top == 1) {
						if (BalanceVer > 0) {
							result[tn][top] = 92; result[tn][down] = 47; break;
						}
						break;
					}
					else {
						result[tn][top] = 92; down++; result[tn][down] = 47; top--; tn--; dir = 2; pos = 2; continue;
					}
				}
			}
			else {        // ................ pos = 2 .................OK
				if (tn <N) {
					if (BalanceVer() > 0) { result[tn][top] = result[tn][down] = 47; tn++; pos = 1; continue; }
					else { tn++; continue; }
				}
				else {   // tn = N
					if (down == M) {
						if (BalanceVer > 0) {
							result[tn][down] = 47; result[tn][top] = 92; break;
						}
						break;
					}
					else {
						result[tn][down] = 47; top--; result[tn][top] = 92; down++; tn--; dir = 2; pos = 1; continue;
					}
				}
			}
		}
		else {     //=========== dir = 2 ======================
			if (pos == 1) {
				if (tn > 2) {     // ................ pos = 1 ................OK
					if (BalanceVer() > 0) { result[tn][top] = result[tn][down] = 47; tn--; pos = 2; continue; }
					else { tn--; continue; }
				}
				else {   //  tn = 2
					if (top == 1) {
						if (BalanceVer > 0) {
							result[tn][top] = 47; result[tn][down] = 92; break;
						}
						break;
					}
					else {
						result[tn][top] = 47; down++; result[tn][down] = 92; top--; tn++; dir = 1; pos = 2; continue;
					}
				}
			}
			else {        // ................... pos = 2 ................
				if (tn > 2) {
					if (BalanceVer() > 0) { result[tn][top] = result[tn][down] = 92; tn--; pos = 1; continue; }
					else { tn--; continue; }
				}
				else {     //tn = 2
					if (down == M) {
						if (BalanceVer > 0) {
							result[tn][down] = 92; result[tn][top] = 47; break;
						}
						break;
					}
					else {
						result[tn][down] = 92; top--; result[tn][top] = 47; down++; tn++; dir = 1; pos = 1; continue;
					}
				}
			}
		}
	}
}

void solve10(){
	Copy(); row = 2;
}
	

void Input() {
	FILE *in = fopen("pinball.in", "r");
	fscanf(in, "%i %i\n", &N, &M);
	fscanf(in, "%i %i\n", &A, &C);
	sc fscanf(in, "%c", &field[i][j]);}fscanf(in, "\n");}
	sc fscanf(in, "%i", &value[i][j]); }fscanf(in, "\n"); }
}

void Ouput() {
	FILE *out = fopen("pinball.out", "w");
	fprintf(out, "%i\n", row);
	sc fprintf(out, "%c", result[i][j]);} fprintf(out,"\n"); }
}


int main() {
	Input();
	if (TestZero() == 1) { Copy(); solve24(); Ouput(); return 0; }
	
	solve10();
	Ouput();
	return 0;
}