#include <stdio.h>

int main()
{
  int i;

  for (i=0; i<5; i++) {
    if (i == 0)
      printf("%d is 0.\n", i);
    else if (i%2 == 0) {
      printf("%d is even.\n", i);
    }
    else {
      printf("%d is odd.\n", i);
    }
  }
}