#include <iostream>
#include <cstring>

int indexOf(char word[100], char str[1001])
{
    int n = strlen(str);
    int s = strlen(word);

    if(s > n)
    {
        return -1;
    }

    for (int i = 0; i < n; i++)
    {
        if(str[i] == word[0] && s <= n - i)
        {
            bool areEqual = true;

            for (int j = 1; j < s; j++)
            {
                if(str[i + j] != word[j])
                {
                    areEqual = false;
                    break;
                }
            }

            if(areEqual)
            {
                return i;
            }
        }
    }

    return -1;
}

void strReplace(char str[1001], char result[1001], int index, char replaceWord[100], int oldWordLength)
{
    int n = strlen(replaceWord);

    for (int i = 0; i < index; i++)
    {
        result[i] = str[i];
    }

    int j = 0;
    for (int i = index; i < index + n; i++)
    {
        result[i] = replaceWord[j++];
    }

    int resultLength = strlen(str);

    if(oldWordLength < n)
    {
        resultLength += n - oldWordLength;
    }
    else if(oldWordLength > n)
    {
        resultLength -= oldWordLength - n;
    }

    int k = index + oldWordLength;
    for (int i = index + j; i < resultLength; i++)
    {
        result[i] = str[k++];
    }
}

using namespace std;

int main()
{

    char str[1001], result[1001];
    cin >> str;
    char word[100], replaceWord[100];
    cin >> word >> replaceWord;

    int index = indexOf(word, str);

    if(index != -1)
    {
        strReplace(str, result, index, replaceWord, strlen(word));
        cout << result << endl;
    }
    else
    {
        cout << str << endl;
    }

    return 0;
}