#include<stdio.h>
#include<string.h>
int main()
{
    char word[31];
    scanf("%30s",word);
    const char *keywords[]={"auto","break","case","const","continue","default","do",
    "double","else","enum","extern","float","for","goto,"if","int","long","register",
    "return","short","sizeof","signed","static","struct","switch","typedef","union","unsigned,"void","volatile","while};
    int numkeywords=sizeof(keyword)/sizeof(keywords[0]);
    for(int i=0; i<numkeywords;i++){
        if(strcmp(word,keywords[i]==0))
        {
            printf("1\n");
            return 0;
            
        }
    }
    printf("0\n");
    return 0;
}