#include <stdio.h>

int main(void);

int main(void) {
  long int i;
  float x1 = 1.0;
  float x2 = 1.0;
  float y1 = 3.0;
  float y2 = 2.0;

  for ( i = 1 ; i <= 25 ; i++) {
    x1 = x1 / y1;
    x2 = x2 / y2;
    
    printf("%4d: %.20f,  %.20f\n", i, x1, x2);
  }
  return 0;
}