View Compilation Error

0_0_17530185_29814.cpp:4:2: error: missing terminating ' character
  while(scanf("%d%d"'&a&b)!=EOF)
  ^
0_0_17530185_29814.cpp: In function 'int main()':
0_0_17530185_29814.cpp:5:1: error: expected ')' before '{' token
 {a+b=s;
 ^
0_0_17530185_29814.cpp:8:1: error: expected ')' before '}' token
 }
 ^
0_0_17530185_29814.cpp:8:1: error: expected primary-expression before '}' token