poj3981

简单题

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;

int main()
{
    //freopen("t.txt", "r", stdin);
    string st;
    while (getline(cin, st))
    {
        int pos;
        while ((pos = st.find("you")) != string::npos)
        {
            st.erase(pos, 3);
            st.insert(pos, "we");
        }
        cout << st << endl;
    }
    return 0;
}