#include<iostream>
#include<stdio.h>
using namespace std;
int n, a[1024];
void in()
{ scanf("%d", &n);
  for (int i = 0; i < n; i++)
    scanf("%d", &a[i]);
}

void selectionSort()
{ for (int i = 0; i < n - 1; i++)
  { int j = -1, minn = a[i];
    for (int k = i + 1; k < n; k++)
      if (minn > a[k])
      { minn = a[k];
        j = k;
      }
    
    if (j != -1)
      swap(a[i], a[j]);
  }
}

void print()
{ printf("%d\n", n);
  for (int i = 0; i < n - 1; i++)
    printf("%d ", a[i]);
  printf("%d\n", a[n - 1]);
}

int main()
{ 
  in();
  selectionSort();
  print();
  
  return 0;
}