Main.cc: In function 'int main()':
Main.cc:8:10: error: expected ')' before 'w'
if(w<10 w++){
^
Main.cc:13:12: error: expected ')' before 'xm'
if(xm<10 xm++)f=1;
^
Main.cc:17:11: error: expected ')' before 'y'
if(y<10 y++)f=1;
^