View Compilation Error

0_0_37442129_5279.cpp: In function 'int main()':
0_0_37442129_5279.cpp:28:18: error: expected primary-expression before '%' token
     while(~scanf(%d%d,&x,&y)){
                  ^
0_0_37442129_5279.cpp:28:19: error: 'd' was not declared in this scope
     while(~scanf(%d%d,&x,&y)){
                   ^