%{
int num_lines = 0; 
int num_spaces = 0; 
int num_tabs = 0; 
int num_others = 0;
%}
%%
\n      { num_lines++; }
" "     { num_spaces++; }
"\t"    { num_tabs++; }
.       { num_others++; }
%%
int main() { 
    yylex();
    printf("Number of lines: %d\n", num_lines); 
    printf("Number of spaces: %d\n", num_spaces);
    printf("Number of tabs: %d\n", num_tabs); 
    printf("Number of other characters: %d\n", num_others);
    return 0;
}
 
int yywrap() { 
    return 1;
}
 

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