/in/foo.cc: In function 'int main()':
/in/foo.cc:15:26: warning: self-comparison always evaluates to true [-Wtautological-compare]
             if (i&(1<<j) == 1 << j){
                   ~~~~~~~^~~~~~~~~
/in/foo.cc:15:26: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]

FileNotFoundError('input/Ham1.in',)