View Compilation Error

0_0_18860429_10156.cpp: In function 'int main()':
0_0_18860429_10156.cpp:10:17: error: expected unqualified-id before ';' token
     int n,m,k,t,;
                 ^
0_0_18860429_10156.cpp:15:13: error: 'd' was not declared in this scope
             d=n;
             ^