#include<stdio.h>
int main()
{
int n,x,i,a=0,b=0;
scanf("%d",&n);
for(i=1; i<=n; i++)
{
scanf("%d",&x);
if(x>=10&&x<=20)
{
a=a+1;
}
else
{
b=b+1;
}
}
printf("%d in\n",a);
printf("%d out\n",b);
return 0;
}
int main()
{
int n,x,i,a=0,b=0;
scanf("%d",&n);
for(i=1; i<=n; i++)
{
scanf("%d",&x);
if(x>=10&&x<=20)
{
a=a+1;
}
else
{
b=b+1;
}
}
printf("%d in\n",a);
printf("%d out\n",b);
return 0;
}
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