View Compilation Error

0_0_27156477_30605.cpp: In function 'int main()':
0_0_27156477_30605.cpp:5:39: error: lvalue required as left operand of assignment
    whlie(scanf("%d%d%d%d",&x,&y,&z,&d)=EOF)
                                       ^
0_0_27156477_30605.cpp:5:43: error: 'whlie' was not declared in this scope
    whlie(scanf("%d%d%d%d",&x,&y,&z,&d)=EOF)
                                           ^