#include <iostream>
#include <cctype>
using namespace std;
int main(void){
	string S;
	int count=0;
	cin>>S;
	int len=S.length();
	string reg;
	reg="1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-";
	int l_r=reg.length();
	for(int i=0;i<len;i++){
		if (isspace(S[i])) {
			count++;
		}
		if(i>=32){
			count++;
		}
		if(S[i]=' '){
			count++;
		}
		if(count>0){
			printf("400");
			break;
		}

		for(int j=0;j<l_r;j++){
			
			if(i==0||i==len-1){
				if((S[i]=='_')||(S[i]=='-')){
					count++;
					break;
				}
			}
			if(S[i]==reg[j]){
				break;
			}
			else if(S[i]!=reg[j]&&j==l_r-1){
				count++;
			}
		}
		if(i==len-1&&count==0){
			printf("200");
		}
	}
}