View Code of Problem 3496

#include <algorithm>
#include <cstring>
#include <iostream>
#include<string>
using namespace std;

int main()
{
    string str;
    getline(cin, str);
    while(str.find("you") != string :: npos){
        int index = str.find("you");
        str.erase(index, 3);
        str.insert(index, "we");
    }
    cout << str << endl;
}