View Compilation Error

0_0_32885805_31727.cpp: In function 'int main()':
0_0_32885805_31727.cpp:10:13: error: expected ')' before 'printf'
             printf("-1\n");
             ^
0_0_32885805_31727.cpp:11:46: error: expected ')' before ';' token
         else printf("%d\n",((x%10)+(y%10)%10);
                                              ^