%{
    #include<stdio.h>
    int lc=0, tc=0, sc=0, cc=0;
%}
 
%%
 
\n     { lc++; }
\t     { tc++; }
" "    { sc++; }
[^\n\t ] { cc++; }
 
%%
 
int yywrap() {
    return 1;
}
 
int main() {
    printf("Enter text (Ctrl+D to end input):\n");
    yylex();
 
    printf("The number of lines: %d\n", lc);
    printf("The number of blank spaces: %d\n", sc);
    printf("The number of tabs: %d\n", tc);
    printf("The number of other characters: %d\n", cc);
 
    return 0;
}
 

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