View Compilation Error

0_0_22248731_30121.cpp: In function 'int main()':
0_0_22248731_30121.cpp:20:18: error: expected primary-expression before '%' token
     while(~scanf(%d%d,&n,&a) && (n+a))
                  ^
0_0_22248731_30121.cpp:20:19: error: 'd' was not declared in this scope
     while(~scanf(%d%d,&n,&a) && (n+a))
                   ^
0_0_22248731_30121.cpp:26:19: error: expected primary-expression before '%' token
             scanf(%d,&m)  ;
                   ^
0_0_22248731_30121.cpp:29:16: error: expected primary-expression before '%' token
         printf(%I64d
                ^
0_0_22248731_30121.cpp:29:17: error: 'I64d' was not declared in this scope
         printf(%I64d
                 ^