#include<bits/stdc++.h>
using namespace std;
#define MAX 100
int n,P[MAX];
string str;
void mult(bool A[MAX][MAX],bool B[MAX][MAX]){
 
	bool res[MAX][MAX];
 
	for(int i=0;i<n;i++)
		for(int j=0;j<n;j++){
			res[i][j] = 0;
			for(int k=0;k<n;k++)
				res[i][j] = (res[i][j]|(A[i][k]&B[k][j])); 
		}
 
	for(int i=0;i<n;i++)
		for(int j=0;j<n;j++)
			A[i][j] = res[i][j];
}
 
 
void init(bool A[MAX][MAX],bool res[MAX][MAX]){
 
//	for(int i=0;i<n;i++)
//		for(int j=0;j<n;j++)
//			res[i][j] = A[i][j] = 0;
	memset(res,0,sizeof(res));
	memset(A,0,sizeof(A));
	for(int i=0;i<n;i++)
		A[P[i]][i] = 1,res[i][i] = 1;
 
}
 
 
void power(int b){
 
	bool A[MAX][MAX],res[MAX][MAX];
 
	init(A,res);
 
	while(b){
		if(b&1)	
			mult(res,A);
		b/=2;
		mult(A,A);
	}
 
 
	for(int i=0;i<n;i++)
		for(int j=0;j<n;j++)
			if(res[i][j])
				cout << str[j];
	cout << endl;
}
 
 
int main(){
 
	while(1){
		int m;
		scanf("%d%d",&n,&m);
		if(n==0 && m==0) 
			break;
		for(int i=0;i<n;i++){
			scanf("%d",&P[i]);
			--P[i];
		}
		getchar();
		getline(cin,str);
		power(m);
		str.clear();
	}
	return 0;
}

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