View Compilation Error

0_0_34445493_8126.cpp: In function 'int main()':
0_0_34445493_8126.cpp:7:3: error: expected ';' before 'for'
   for(int d=1;d<=b;d++){
   ^
0_0_34445493_8126.cpp:7:15: error: 'd' was not declared in this scope
   for(int d=1;d<=b;d++){
               ^