/in/foo.cc: In function 'int main()':
/in/foo.cc:20:29: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   20 |                 if(s[i]=='0'&&s[j]!='0'||s[i]=='1'&&s[j]!='1'
/in/foo.cc:21:64: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   21 |                                                     ||s[i]=='8'&&s[j]!='8')
/in/foo.cc:26:29: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   26 |                 if(s[i]=='6'&&s[j]!='9'||s[i]=='9'&&s[j]!='6')