import java.util.Scanner;
public class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int n1 = sc.nextInt(),n2 = sc.nextInt();
String[] arr1 = new String[2*n1];
String[] arr2 = new String[n1];
Double[] arr3 = new Double[n1];
for(int i = 0;i < n1;i ++){
String str = sc.next();
double score = sc.nextDouble();
arr2[i] = str;
arr3[i] = score;
arr1[i*2] = str;
arr1[i*2+1] = Double.toString(score);
}
for(int i = 0;i < arr3.length;i ++){
for(int j = 0;j < arr3.length - 1 - i;j ++){
if(arr3[j]<arr3[j+1]){
double temp = arr3[j];
arr3[j] = arr3[j+1];
arr3[j+1] = temp;
}
}
}
for(int i = 0;i < arr3.length;i ++){
if(Double.parseDouble(arr1[i*2+1])==arr3[n2-1]){
System.out.println(arr1[i*2]+" "+Double.toString(arr3[n2-1]));
}
}
}
}
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