: In function 'int main()':
:6:17: error: 'unsihned' was not declared in this scope; did you mean 'unsigned'?
    6 |                 unsihned int r;
      |                 ^~~~~~~~
      |                 unsigned
:7:23: error: 'r' was not declared in this scope
    7 |                 while(r=n1%n2){
      |                       ^