#include<stdio.h>
int main()
{
	char s[102];
	scanf("%s", s);
	int n;
	for (n = 0; s[n] != '\0'; n++);
	if (n < 1 || 32 < n)
	{
		printf("400\n");
		return 0;
	}
	int i;
	for (i = 0; i < n; i++)
	{
		if ('A' <= s[i] && s[i] <= 'Z')
			continue;
		if ('a' <= s[i] && s[i] <= 'z')
			continue;
		if ('0' <= s[i] && s[i] <= '9')
			continue;
		if (s[i] == '_' || s[i] == '-')
			continue;
		printf("400\n");
		return 0;
	}
	if (s[0] == '_' || s[0] == '-')
	{
		printf("400\n");
		return 0;
	}
	if(s[n-1]=='_' || s[n-1]=='-')
	{ 
		printf("400\n");
		return 0;
	}
	printf("200\n");
	return 0;
}