View Compilation Error

0_0_27386112_8846.cpp: In function 'int main()':
0_0_27386112_8846.cpp:10:25: error: expected primary-expression before ';' token
             for(d=0;d<a*;sd++)
                         ^
0_0_27386112_8846.cpp:10:26: error: 'sd' was not declared in this scope
             for(d=0;d<a*;sd++)
                          ^