mangafas

#include <iostream>
using namespace std;

int main(){

int m,k,n,c;

cin >> m >> n >> k;
int arr[m][k], ar[m][k];
char r;

mangafas

x = input()
t = []
l = 0
for c in x:
    l += 1
    if l >= len(x):
        break
    if c + x[l] not in t:
        t.append(c + x[l])
for o in t:

mangafas

x = input()
l = []
for s in x:
if s in l:
l.append(s)

for s