#include<stdio.>
int main(){
    int k,size,itr,temp,ind;
    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++){
    prinff("%")
}
}