#include <bits/stdc++.h>   int main() {     int n, k;     while (~scanf( %d%d , &n, &k)) {       int ant[55] = {0};       int temp = 0;       int count = k;       for (int i = 1; i <= n; i++) {         scanf( %d , &ant[i - 1]);         if (i == k) temp = ant[i - 1];       }       if (temp)         for (int i = k + 1; i <= n; i++) {           if (ant[i - 1] >= temp)             count++;           else             break;         }       else         for (int i = k; i >= 1; i--) {           if (!ant[i - 1]) count--;         }       printf( %d n , count);     }     return 0;   }   