// editor3
#include<stdio.h>
int main(){
    int k,size,itr,temp,ind;
    scanf("%d %d",&size,&k);
    if(size<0 ||k<0 || k>siz){
        printf("Invalid Input");
        return 0;
    }
    int arr[size];
    for(ind=0;ind<size;scanf("%d",&arr[ind++]));
    for(ind=k-1;ind>=0;ind--){
        printf("%d",arr[ind]);
    }
    for(ind=k;ind<size;ind++){
        printf("%d",arr[ind]);
    }
    return 0;
}