#include<cstdio>
#include<cstring> 
#include<cstdlib> 
#include<iostream>
#include<cmath>
#include<algorithm>
#include<string>
#include<set>
#include<map>
#include<vector>
#define maxn 100005
using namespace std;
int i,j,k,m,n;
string s; 
void op(int a,int b,int c){
	string t=s.substr(a,b-a);
	s.insert(c,t);
	int sz=s.size();
	if(sz>m)s.erase(m,sz-m);
}

int main(){
	freopen("copypaste.in","r",stdin);
	freopen("copypaste.out","r",stdout);
	cin>>k>>m>>s>>n;
	for(i=0;i<n;i++){
		int a,b,c;
		scanf("%d%d%d",&a,&b,&c);
		op(a,b,c);
	}
	for(i=0;i<k;i++)printf("%c",s[i]);
	return 0;
}