A32853.Happy#32-T5 基

#include<iostream>
using namespace std;
int main(){
    int x,y;
    string s;
    cin>>s>>x>>y;
    x--;y--;
    if(s[x]==s[y]){
        s[x]='#';
        s[y]='#';
    }else{
        char t=s[x];
        s[x]=s[y];
        s[y]=t;
    }
    cout<<s;
    return 0;
}