View Compilation Error

0_0_20227010_389.cpp: In function 'int main()':
0_0_20227010_389.cpp:4:21: error: invalid operands of types 'const char [6]' and 'int' to binary 'operator&'
 while(scanf("%d %d"&a,&b)!=eof){
                     ^
0_0_20227010_389.cpp:4:28: error: 'eof' was not declared in this scope
 while(scanf("%d %d"&a,&b)!=eof){
                            ^