#include <iostream>
#include <algorithm>
#include <bits/stdc++.h>

using namespace std;


int main()
{
    int n,p,q,m;
    cin >>n;
    string s;
    cin >> s;
    for(int i=0;i<n;i++){
        cin >> p;
        if(p==1){
            cin >> q;
            s[q-1] = toupper(s[q-1]);
        }
        else if (p==2){
            cin >> q;
            s[q-1] = tolower(s[q-1]);
        }
        else{
            cin >> m;
            swap(s[m-1],s[q-1]);
        }
    }
    cout << c;

    return 0;

}