Run id: 131039

Main.cc: In function 'int main()':
Main.cc:5:15: error: expected initializer before '-' token
  int n,m,js,ks-1;
               ^
Main.cc:13:4: error: 'ks' was not declared in this scope
    ks = i;
    ^
Main.cc:23:5: error: 'ks' was not declared in this scope
  if(ks != -1){
     ^