View Compilation Error

0_0_35935695_12631.cpp:18:5: error: stray '\243' in program
     scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f)；
     ^
0_0_35935695_12631.cpp:18:5: error: stray '\273' in program
0_0_35935695_12631.cpp: In function 'int main()':
0_0_35935695_12631.cpp:20:5: error: expected ';' before 'double'
     double cosa=(a*a+b*b-d*d)/(2*a*b);
     ^
0_0_35935695_12631.cpp:25:40: error: 'cosa' was not declared in this scope
     double V=(double)((a*b*c)*sqrt(1+2*cosa*cosb*cosc-cosa*cosa-cosb*cosb-cosc*cosc) )*(1.0/6);
                                        ^