void main()
{
int x,i=0,j=0;
float s1=0,s2=0,av1,av2;
scanf("%d",&x);
while(x!=0)
{
if(x%2==0) {s1=s1+x;i++}
else {s2=s2+x;j++;}
scanf("%d",&x);
}
if(i !=0) av1=s1/i;
else av1=0;
if(j!=0) av2=s2/j;
else av2=0;
printf("oushujunzhi:%7.2f,jishujunzhi:%7.2fn",av1,av2);
}