#include <stdio.h>
    main() {
      int  x, y, z;
      printf("input data x, y ? \n");
      scanf("%d %d",&x,&y);
      printf("\n    x    y   x<y  x<=y x>y  x>=y x!=y x==y");
      printf("\n%5d%5d",x,y);
      z = x <  y; printf("%5d",z);
      z = x <= y; printf("%5d",z);
      z = x >  y; printf("%5d",z);
      z = x >= y; printf("%5d",z);
      z = x != y; printf("%5d",z);
      z = x == y; printf("%5d",z);
      printf("\n");
      while(1);
    }