View Compilation Error

0_0_28875609_1749.cpp: In function 'int main()':
0_0_28875609_1749.cpp:114:8: error: expected primary-expression before 'while'
  while(while(scanf("%d",&x)!=EOF))printf("%lld\n",ans[x]);
        ^
0_0_28875609_1749.cpp:114:8: error: expected ')' before 'while'
0_0_28875609_1749.cpp:114:34: error: expected primary-expression before ')' token
  while(while(scanf("%d",&x)!=EOF))printf("%lld\n",ans[x]);
                                  ^