#include <stdio.h>

int main() {

  int h[10];

  for(int i = 0; i < 10; ++i) {

    printf("Enter height %d: ", i+1);

    scanf("%d", &h[i]);

  }

  int sum = 0;

  for(int i = 0; i < 10; ++i)

    sum += h[i];

  float avg = sum / 10.f;

  printf("Average height is %f\n", avg);

  return 0;

}