#include <bits/stdc++.h>
using namespace std;
int main(){
    string s;    cin>>s;
    int a,b;    cin>>a>>b;
    s[a]=='C';    s[b]=='C';
    for(int i=0;i<(int)s.size();i++){
        if(s[i]=='C')    continue;
        cout<<s[i];
    }
    cout<<endl;
    return 0;
}