#include <stdio.h>
int main(void)
{
    int x,i;
    int occur[4]={0,0,0,0};
    printf("input seed>");
    scanf("%d",&x);
    srand(x);
    for (i=0; i<10000; i++) {
      int y;
      y = rand();
      if (y % 16 == 0)     {occur[0]++;}
      else if (y % 16 < 4) {occur[1]++;}
      else if (y % 16 < 7) {occur[2]++;}
      else {occur[3]++;}
    }			     
    printf("%8d:%8d:%8d:%8d\n", 
	   occur[0], occur[1], occur[2], occur[3]) ;
}