Run id: 146526

Main.cc: In function 'int main()':
Main.cc:6:14: error: 'xn' was not declared in this scope
     while(qw+xn+xy<30){
              ^
Main.cc:13:13: error: 'xt' was not declared in this scope
   if(xm<10&&xt%2==0){
             ^
Main.cc:17:13: error: 'xt' was not declared in this scope
   if(xy<10&&xt%4==0){
             ^