View Compilation Error

0_0_30746367_32461.cpp: In function 'int main()':
0_0_30746367_32461.cpp:6:18: error: cannot convert 'bool' to 'const char*' for argument '1' to 'int scanf(const char*, ...)'
 while(scanf(a+b>0)
                  ^
0_0_30746367_32461.cpp:7:1: error: expected ')' before '{' token
 {
 ^