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#include <bits/stdc++.h>

int main(){
	
		int a[120] = { 0 };
		int n,k;
	
		std::cin >> n >>  k;
		
		for(int i = 0; i < n; i++){
			
				int  points;
				
				std::cin >> points;
				
				a[points-1]++;
			
		}
		
		int current_sum = 0;
		for(int i = 119; i >= 0; i--){
				
				current_sum += a[i];
				
				if(current_sum >= k){
					
						std::cout << current_sum << std::endl;
						
						return 0;
				}
				
		}
		
		std::cout << k << std::endl;
		
		
}