1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
#include <stdio.h>

int main()
{
char in[101];
int n,N,i,j,ret,f;

	scanf("%d",&N);
	scanf("%s",in);
	
	ret = 0;
	for (i = 0; i < 10; i++)
	{
		f = 1;
		for (j = 0; j < N/10; j++) if (in[i*N/10+j] == 'N') f = 0;
		if (f == 1) ret++;
	}
	printf("%d\n",ret);
	
	return 0;
}