#include <stdio.h>
void main() {
  float i,j,k=1,l=2,m=3,n=4,o=5,p=6,q=7,r=8;
  for (i=0;i<1000;i++) {
    for (j=0;j<1000;j++) {
      k=k+i;
      l=k-i;
      m=l+i;
      n=m-i;
      o=n+j;
      p=o-j;
      q=p+j;
      r=q-j;
    }
  }
  printf("k is %f l is %f m is %f n is %f\n",k,l,m,n);
  printf("o is %f p is %f q is %f r is %f\n",o,p,q,r);
}