View Compilation Error

0_0_35548882_8140.cpp: In function 'int main()':
0_0_35548882_8140.cpp:14:1: error: expected ';' before 'scanf'
 scanf("%d%c%c",&n,&a,&b)
 ^
0_0_35548882_8140.cpp: At global scope:
0_0_35548882_8140.cpp:49:5: error: expected unqualified-id before 'return'
     return 0;
     ^