View Compilation Error

0_0_34018638_2353.cpp: In function 'int main()':
0_0_34018638_2353.cpp:13:18: error: expected primary-expression before '%' token
   scanf("%d%d%d",%n,%a,%b);
                  ^
0_0_34018638_2353.cpp:13:21: error: expected primary-expression before '%' token
   scanf("%d%d%d",%n,%a,%b);
                     ^
0_0_34018638_2353.cpp:13:24: error: expected primary-expression before '%' token
   scanf("%d%d%d",%n,%a,%b);
                        ^
0_0_34018638_2353.cpp:17:3: error: expected ';' before '}' token
   }
   ^