#include <stdio.h>
#include <stdlib.h>

main()
{
  unsigned int seed;
  int nran;
  int i;
  int j;
  int a1,a2,sum;
  char line[100];
  char how;

  printf("Input: seed\n");
/*  scanf("%u", &seed); */
  fgets(line, sizeof(line), stdin);
  sscanf(line, "%u", &seed);  printf("seed=%u\n",seed);

  srand(seed);

  while(1){
    j=rand();
    a1=6.0*j/(RAND_MAX+1.0)+1;
    j=rand();
    a2=6.0*j/(RAND_MAX+1.0)+1;
    sum=a1+a2;
    printf("%d + %d = %d\n",a1,a2,sum);
    if(sum%2==0){
      printf("丁\n");
    }
    else{
      printf("半\n");
    }
    printf("e: end\n");
    how=getchar();
    if(how == 'e') break; 
/*    if(getchar() == '\n') break; */
  } 

  return;
}