View Compilation Error

0_0_34187482_28467.cpp:8:1: error: missing terminating ' character
 scanf('%If"&a);
 ^
0_0_34187482_28467.cpp:4:1: error: expected initializer before 'using'
 using namespace std;
 ^
0_0_34187482_28467.cpp: In function 'int main()':
0_0_34187482_28467.cpp:9:10: error: expected ')' before ';' token
 b=fabs(a);
          ^