#include <algorithm> #include <iostream> using namespace std;int main(){string a;getline(cin,a);char b,c;cin.get(b);cin.get(c);replace_if(a.begin(),a.end(),[b](char d){return !((d-b)%32);},c);cout<<a;}
Slithery snakes slurp Smoothies through Silly Straws sz