#include<stdio.h>
int main(){
    int size,k,ind,itr;
    scanf("%d %d",&size,&k);
    if(size<0 || k<0 ||k>size){
        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]);
    }
    retuen 0;
}