#include <stdio.h>

void main(void)
{
  int x_val = 42;
  float y = 3.15;
  char letter = 'a';

  printf("output"); 
  printf("age = %d", 16);
  printf("%d %d %f", 2, 5, 3.14159); 
  printf("x = %d", x_val); 
  printf("\n\noutput\n"); 
  printf("age = %d\n", 16);
  printf("%d %d %f\n", 2, 5, 3.14159); 
  printf("x = %d\n", x_val); 
}